From a5f4bba440d7f9ea47046a0a561d49adf0a1e6d4 Mon Sep 17 00:00:00 2001
From: GitLab Bot <gitlab-bot@gitlab.com>
Date: Wed, 16 Jun 2021 18:25:58 +0000
Subject: Add latest changes from gitlab-org/gitlab@14-0-stable-ee

---
 ...90924152703_migrate_issue_trackers_data_spec.rb |   4 +-
 ...125114345_add_admin_mode_protected_path_spec.rb |   2 +-
 .../20191204114127_delete_legacy_triggers_spec.rb  |   2 +-
 ...20_add_timestamp_softwarelicensespolicy_spec.rb |   2 +-
 ...0200122123016_backfill_project_settings_spec.rb |   2 +-
 ...20200123155929_remove_invalid_jira_data_spec.rb |   2 +-
 ...90233_remove_invalid_issue_tracker_data_spec.rb |   2 +-
 ..._reschedule_migrate_issue_trackers_data_spec.rb |  14 +--
 ...200313203550_remove_orphaned_chat_names_spec.rb |   2 +-
 ...ll_deployment_clusters_from_deployments_spec.rb |   2 +-
 ..._interpolation_format_in_common_metrics_spec.rb |   2 +-
 .../20200526115436_dedup_mr_metrics_spec.rb        |   2 +-
 ...val_rule_name_for_code_owners_rule_type_spec.rb |   2 +-
 ...00703125016_backfill_namespace_settings_spec.rb |   2 +-
 ...st_unique_index_alert_management_alerts_spec.rb |   2 +-
 ..._unique_index_on_cycle_analytics_stages_spec.rb |   2 +-
 ...311_add_o_auth_paths_to_protected_paths_spec.rb |   2 +-
 ...ate_missing_vulnerabilities_issue_links_spec.rb |   2 +-
 ...25_schedule_migration_to_hashed_storage_spec.rb |   2 +-
 ...ons_for_pre_versioning_terraform_states_spec.rb |   2 +-
 ...kfill_jira_tracker_deployment_type_jobs_spec.rb |   2 +-
 ...1_migrate_services_to_http_integrations_spec.rb |   2 +-
 ..._backfill_jira_tracker_deployment_type2_spec.rb |   2 +-
 ...anup_transfered_projects_shared_runners_spec.rb |   2 +-
 ...move_duplicate_vulnerabilities_findings_spec.rb |   2 +-
 ...ate_uuid_on_vulnerabilities_occurrences_spec.rb |   2 +-
 ...210112143418_remove_duplicate_services2_spec.rb |   2 +-
 ...a_issue_first_mentioned_in_commit_value_spec.rb |   2 +-
 ...4_remove_bad_dependency_proxy_manifests_spec.rb |   2 +-
 ...pdated_at_after_repository_storage_move_spec.rb |   2 +-
 .../20210226141517_dedup_issue_metrics_spec.rb     |   2 +-
 ...otal_tuple_count_for_batched_migrations_spec.rb |   2 +-
 ...schedule_artifact_expiry_backfill_again_spec.rb |   2 +-
 ...acker_data_deployment_type_based_on_url_spec.rb |  48 ++++++++
 ...7_schedule_drop_invalid_vulnerabilities_spec.rb |   2 +-
 ...134202_copy_adoption_snapshot_namespace_spec.rb |  10 +-
 ...135954_copy_adoption_segments_namespace_spec.rb |   2 +-
 ...oject_value_stream_id_to_project_stages_spec.rb |   2 +-
 ..._schedule_drop_invalid_vulnerabilities2_spec.rb |   2 +-
 ...e_cleanup_orphaned_lfs_objects_projects_spec.rb |  37 ++++++
 .../20210601073400_fix_total_stage_in_vsa_spec.rb  |  30 +++++
 ...d_environments_add_index_and_constraint_spec.rb |  29 +++++
 ...move_builds_email_service_from_services_spec.rb |  24 ++++
 spec/migrations/add_default_and_free_plans_spec.rb |   2 +-
 ...alue_stream_to_groups_with_group_stages_spec.rb |   2 +-
 .../add_deploy_token_type_to_deploy_tokens_spec.rb |   2 +-
 ...ident_settings_to_all_existing_projects_spec.rb |   2 +-
 spec/migrations/add_new_post_eoa_plans_spec.rb     |   2 +-
 ...ndex_to_ci_builds_table_on_user_id_name_spec.rb |   2 +-
 ...orages_weighted_to_application_settings_spec.rb |   2 +-
 ...partial_index_on_project_id_to_services_spec.rb |   2 +-
 ..._approvals_user_id_and_merge_request_id_spec.rb |   2 +-
 ...to_released_at_column_on_releases_table_spec.rb |   2 +-
 ...clusters_integration_prometheus_enabled_spec.rb |  80 +++++++++++++
 ...scalation_policies_for_oncall_schedules_spec.rb | 100 ++++++++++++++++
 .../backfill_imported_snippet_repositories_spec.rb |   2 +-
 ...ackfill_operations_feature_flags_active_spec.rb |   2 +-
 .../backfill_operations_feature_flags_iid_spec.rb  |   2 +-
 ..._add_not_null_constraints_to_timestamps_spec.rb |   2 +-
 .../backfill_snippet_repositories_spec.rb          |   2 +-
 ...ackfill_status_page_published_incidents_spec.rb |   2 +-
 spec/migrations/backport_enterprise_schema_spec.rb |   2 +-
 ...ap_designs_filename_length_to_new_limit_spec.rb |   2 +-
 ...tbound_local_requests_whitelist_default_spec.rb |   2 +-
 ...ges_size_defaults_in_project_statistics_spec.rb |   2 +-
 .../change_web_hook_events_default_spec.rb         |   2 +-
 spec/migrations/clean_grafana_url_spec.rb          |   2 +-
 ...ean_up_noteable_id_for_notes_on_commits_spec.rb |   2 +-
 .../clean_up_pending_builds_table_spec.rb          |  47 ++++++++
 .../cleanup_empty_commit_user_mentions_spec.rb     |   2 +-
 ...p_group_import_states_with_null_user_id_spec.rb |   4 +-
 .../cleanup_legacy_artifact_migration_spec.rb      |   2 +-
 ...er_registry_enabled_to_project_features_spec.rb |  45 ++++++++
 ...anup_optimistic_locking_nulls_pt2_fixed_spec.rb |   2 +-
 .../cleanup_optimistic_locking_nulls_spec.rb       |   2 +-
 ...cleanup_projects_with_missing_namespace_spec.rb |   4 +-
 .../complete_namespace_settings_migration_spec.rb  |   2 +-
 spec/migrations/confirm_project_bot_users_spec.rb  |   2 +-
 ...environment_for_self_monitoring_project_spec.rb |   2 +-
 spec/migrations/deduplicate_epic_iids_spec.rb      |   2 +-
 ..._internal_ids_where_feature_flags_usage_spec.rb |   2 +-
 .../delete_template_project_services_spec.rb       |   2 +-
 ...te_template_services_duplicated_by_type_spec.rb |   2 +-
 .../delete_user_callout_alerts_moved_spec.rb       |   2 +-
 ..._policies_linked_to_no_container_images_spec.rb |  46 ++++++++
 ...ate_prometheus_services_background_jobs_spec.rb |   2 +-
 spec/migrations/drop_alerts_service_data_spec.rb   |   2 +-
 .../drop_background_migration_jobs_spec.rb         |   2 +-
 ...ect_ci_cd_settings_merge_trains_enabled_spec.rb |   2 +-
 .../encrypt_feature_flags_clients_tokens_spec.rb   |   2 +-
 ...text_attributes_on_application_settings_spec.rb |   2 +-
 .../enqueue_reset_merge_status_second_run_spec.rb  |   2 +-
 spec/migrations/enqueue_reset_merge_status_spec.rb |   2 +-
 ...ernal_diff_store_on_merge_request_diffs_spec.rb |   2 +-
 ...sure_filled_file_store_on_package_files_spec.rb |   2 +-
 .../ensure_namespace_settings_creation_spec.rb     |   2 +-
 .../ensure_target_project_id_is_filled_spec.rb     |   2 +-
 .../ensure_u2f_registrations_migrated_spec.rb      |   2 +-
 .../fill_file_store_ci_job_artifacts_spec.rb       |   2 +-
 .../migrations/fill_file_store_lfs_objects_spec.rb |   2 +-
 .../fill_productivity_analytics_start_date_spec.rb |   2 +-
 spec/migrations/fill_store_uploads_spec.rb         |   2 +-
 spec/migrations/fix_max_pages_size_spec.rb         |   2 +-
 spec/migrations/fix_null_type_labels_spec.rb       |   2 +-
 .../fix_pool_repository_source_project_id_spec.rb  |   2 +-
 .../fix_projects_without_project_feature_spec.rb   |   2 +-
 ...ix_projects_without_prometheus_services_spec.rb |   2 +-
 .../fix_wrong_pages_access_level_spec.rb           |   2 +-
 .../migrations/generate_ci_jwt_signing_key_spec.rb |   2 +-
 .../generate_lets_encrypt_private_key_spec.rb      |   2 +-
 .../generate_missing_routes_for_bots_spec.rb       |   2 +-
 ..._pipeline_schedule_triggers_plan_limits_spec.rb |  73 ++++++++++++
 .../insert_daily_invites_plan_limits_spec.rb       |   2 +-
 ...nsert_project_feature_flags_plan_limits_spec.rb |   6 +-
 .../insert_project_hooks_plan_limits_spec.rb       |   2 +-
 ...e_all_merge_request_user_mentions_to_db_spec.rb |   2 +-
 ...e_auto_dev_ops_domain_to_cluster_domain_spec.rb |   2 +-
 .../migrate_bot_type_to_user_type_spec.rb          |   2 +-
 ...status_to_protected_branches_in_batches_spec.rb |   2 +-
 .../migrate_commit_notes_mentions_to_db_spec.rb    |   2 +-
 ...ework_enum_to_database_framework_record_spec.rb |   2 +-
 ...e_commit_signature_worker_sidekiq_queue_spec.rb |   2 +-
 ...l_from_namespaces_to_namespace_settings_spec.rb |   2 +-
 ...migrate_discussion_id_on_promoted_epics_spec.rb |   2 +-
 .../migrate_elastic_index_settings_spec.rb         |   2 +-
 ...igrate_incident_issues_to_incident_type_spec.rb |   2 +-
 .../migrate_k8s_service_integration_spec.rb        |   2 +-
 ...te_legacy_managed_clusters_to_unmanaged_spec.rb |   2 +-
 ...ged_clusters_with_no_token_to_unmanaged_spec.rb |   2 +-
 .../migrate_merge_request_mentions_to_db_spec.rb   |   2 +-
 ...ps_feature_flags_scopes_target_user_ids_spec.rb |   2 +-
 ...e_protected_attribute_to_pending_builds_spec.rb |  33 ++++++
 .../migrate_storage_migrator_sidekiq_queue_spec.rb |   2 +-
 ...te_store_security_reports_sidekiq_queue_spec.rb |   2 +-
 ..._to_report_approval_rules_sidekiq_queue_spec.rb |   2 +-
 ...r_registry_enabled_to_project_features3_spec.rb |   2 +-
 spec/migrations/move_limits_from_plans_spec.rb     |   2 +-
 spec/migrations/nullify_users_role_spec.rb         |   2 +-
 ...pulate_project_statistics_packages_size_spec.rb |   2 +-
 ...le_type_on_approval_merge_request_rules_spec.rb |   2 +-
 ...ve_additional_application_settings_rows_spec.rb |   2 +-
 .../remove_alerts_service_records_again_spec.rb    |   2 +-
 .../remove_alerts_service_records_spec.rb          |   2 +-
 ...move_deprecated_jenkins_service_records_spec.rb |   5 +-
 .../remove_duplicate_labels_from_groups_spec.rb    |   2 +-
 .../remove_duplicate_labels_from_project_spec.rb   |   2 +-
 .../remove_empty_github_service_templates_spec.rb  |   2 +-
 ...ve_gitlab_issue_tracker_service_records_spec.rb |   2 +-
 .../remove_hipchat_service_records_spec.rb         |   2 +-
 .../migrations/remove_orphan_service_hooks_spec.rb |   2 +-
 .../remove_orphaned_invited_members_spec.rb        |   2 +-
 ...remove_packages_deprecated_dependencies_spec.rb |   2 +-
 ...cords_without_group_from_webhooks_table_spec.rb |   2 +-
 .../remove_security_dashboard_feature_flag_spec.rb |   2 +-
 ...ure_flag_to_instance_security_dashboard_spec.rb |   2 +-
 spec/migrations/rename_sitemap_namespace_spec.rb   |   2 +-
 .../rename_sitemap_root_namespaces_spec.rb         |   2 +-
 .../reschedule_artifact_expiry_backfill_spec.rb    |   2 +-
 .../migrations/reseed_merge_trains_enabled_spec.rb |   2 +-
 .../reseed_repository_storages_weighted_spec.rb    |   2 +-
 .../retry_backfill_traversal_ids_spec.rb           |  93 +++++++++++++++
 .../save_instance_administrators_group_id_spec.rb  |   2 +-
 ...dule_backfill_push_rules_id_in_projects_spec.rb |   2 +-
 ...blocked_by_links_replacement_second_try_spec.rb |   2 +-
 .../schedule_calculate_wiki_sizes_spec.rb          |  60 ----------
 ..._policies_linked_to_no_container_images_spec.rb |  47 ++++++++
 ...alid_time_for_pages_domain_certificates_spec.rb |   2 +-
 .../schedule_link_lfs_objects_projects_spec.rb     |   2 +-
 ...erge_request_cleanup_schedules_backfill_spec.rb |   2 +-
 .../schedule_migrate_pages_to_zip_storage_spec.rb  |   2 +-
 .../schedule_migrate_security_scans_spec.rb        |   2 +-
 .../schedule_migrate_u2f_webauthn_spec.rb          |   2 +-
 .../schedule_pages_metadata_migration_spec.rb      |   2 +-
 ...edule_populate_issue_email_participants_spec.rb |   2 +-
 ..._populate_merge_request_assignees_table_spec.rb |   2 +-
 ...le_populate_personal_snippet_statistics_spec.rb |   2 +-
 ...ule_populate_project_snippet_statistics_spec.rb |   2 +-
 ...edule_populate_user_highest_roles_table_spec.rb |   2 +-
 ...ulate_project_authorizations_second_run_spec.rb |   2 +-
 ...dule_recalculate_project_authorizations_spec.rb |   2 +-
 ...culate_project_authorizations_third_run_spec.rb |   2 +-
 ...te_uuid_on_vulnerabilities_occurrences2_spec.rb | 127 +++++++++++++++++++++
 .../schedule_sync_issuables_state_id_spec.rb       |   2 +-
 ...edule_sync_issuables_state_id_where_nil_spec.rb |   2 +-
 ...oup_to_match_visibility_level_of_parent_spec.rb |   2 +-
 ...ting_users_that_require_two_factor_auth_spec.rb |   2 +-
 .../schedule_update_timelogs_project_id_spec.rb    |   2 +-
 ...ere_two_factor_auth_required_from_group_spec.rb |   2 +-
 spec/migrations/seed_merge_trains_enabled_spec.rb  |   2 +-
 .../seed_repository_storages_weighted_spec.rb      |   2 +-
 ...es_remove_temporary_index_on_project_id_spec.rb |   2 +-
 .../set_issue_id_for_all_versions_spec.rb          |   2 +-
 spec/migrations/set_job_waiter_ttl_spec.rb         |   2 +-
 spec/migrations/sync_issuables_state_id_spec.rb    |   2 +-
 spec/migrations/truncate_user_fullname_spec.rb     |   2 +-
 .../unconfirm_wrongfully_verified_emails_spec.rb   |   2 +-
 ...npm_package_requests_forwarding_default_spec.rb |   2 +-
 .../update_fingerprint_sha256_within_keys_spec.rb  |   2 +-
 .../update_historical_data_recorded_at_spec.rb     |   2 +-
 ...ternal_ids_last_value_for_epics_renamed_spec.rb |   2 +-
 .../update_minimum_password_length_spec.rb         |   2 +-
 ...t_and_found_group_and_orphaned_projects_spec.rb |   2 +-
 ...update_timestamp_softwarelicensespolicy_spec.rb |   2 +-
 203 files changed, 1060 insertions(+), 266 deletions(-)
 create mode 100644 spec/migrations/20210421163509_schedule_update_jira_tracker_data_deployment_type_based_on_url_spec.rb
 create mode 100644 spec/migrations/20210514063252_schedule_cleanup_orphaned_lfs_objects_projects_spec.rb
 create mode 100644 spec/migrations/20210601073400_fix_total_stage_in_vsa_spec.rb
 create mode 100644 spec/migrations/20210601080039_group_protected_environments_add_index_and_constraint_spec.rb
 create mode 100644 spec/migrations/20210603222333_remove_builds_email_service_from_services_spec.rb
 create mode 100644 spec/migrations/backfill_clusters_integration_prometheus_enabled_spec.rb
 create mode 100644 spec/migrations/backfill_escalation_policies_for_oncall_schedules_spec.rb
 create mode 100644 spec/migrations/clean_up_pending_builds_table_spec.rb
 create mode 100644 spec/migrations/cleanup_move_container_registry_enabled_to_project_features_spec.rb
 create mode 100644 spec/migrations/disable_expiration_policies_linked_to_no_container_images_spec.rb
 create mode 100644 spec/migrations/insert_ci_daily_pipeline_schedule_triggers_plan_limits_spec.rb
 create mode 100644 spec/migrations/migrate_protected_attribute_to_pending_builds_spec.rb
 create mode 100644 spec/migrations/retry_backfill_traversal_ids_spec.rb
 delete mode 100644 spec/migrations/schedule_calculate_wiki_sizes_spec.rb
 create mode 100644 spec/migrations/schedule_disable_expiration_policies_linked_to_no_container_images_spec.rb
 create mode 100644 spec/migrations/schedule_recalculate_uuid_on_vulnerabilities_occurrences2_spec.rb

(limited to 'spec/migrations')

diff --git a/spec/migrations/20190924152703_migrate_issue_trackers_data_spec.rb b/spec/migrations/20190924152703_migrate_issue_trackers_data_spec.rb
index 47f85df01ac..2999332509a 100644
--- a/spec/migrations/20190924152703_migrate_issue_trackers_data_spec.rb
+++ b/spec/migrations/20190924152703_migrate_issue_trackers_data_spec.rb
@@ -22,7 +22,7 @@ RSpec.describe MigrateIssueTrackersData do
     services.create!(type: 'JiraService', properties: nil, category: 'issue_tracker')
   end
 
-  let!(:bugzilla_service) do
+  let!(:bugzilla_integration) do
     services.create!(type: 'BugzillaService', properties: properties, category: 'issue_tracker')
   end
 
@@ -55,7 +55,7 @@ RSpec.describe MigrateIssueTrackersData do
       freeze_time do
         migrate!
 
-        expect(migration_name).to be_scheduled_delayed_migration(3.minutes, jira_service.id, bugzilla_service.id)
+        expect(migration_name).to be_scheduled_delayed_migration(3.minutes, jira_service.id, bugzilla_integration.id)
         expect(migration_name).to be_scheduled_delayed_migration(6.minutes, youtrack_service.id, gitlab_service.id)
         expect(BackgroundMigrationWorker.jobs.size).to eq(2)
       end
diff --git a/spec/migrations/20191125114345_add_admin_mode_protected_path_spec.rb b/spec/migrations/20191125114345_add_admin_mode_protected_path_spec.rb
index 51f798220c3..222a000c134 100644
--- a/spec/migrations/20191125114345_add_admin_mode_protected_path_spec.rb
+++ b/spec/migrations/20191125114345_add_admin_mode_protected_path_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20191125114345_add_admin_mode_protected_path.rb')
+require_migration!('add_admin_mode_protected_path')
 
 RSpec.describe AddAdminModeProtectedPath do
   subject(:migration) { described_class.new }
diff --git a/spec/migrations/20191204114127_delete_legacy_triggers_spec.rb b/spec/migrations/20191204114127_delete_legacy_triggers_spec.rb
index 07c69872497..aba3a902888 100644
--- a/spec/migrations/20191204114127_delete_legacy_triggers_spec.rb
+++ b/spec/migrations/20191204114127_delete_legacy_triggers_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20191204114127_delete_legacy_triggers.rb')
+require_migration!('delete_legacy_triggers')
 
 RSpec.describe DeleteLegacyTriggers, schema: 2019_11_25_140458 do
   let(:ci_trigger_table) { table(:ci_triggers) }
diff --git a/spec/migrations/20200107172020_add_timestamp_softwarelicensespolicy_spec.rb b/spec/migrations/20200107172020_add_timestamp_softwarelicensespolicy_spec.rb
index 1377d5e6ba0..fff0745e8af 100644
--- a/spec/migrations/20200107172020_add_timestamp_softwarelicensespolicy_spec.rb
+++ b/spec/migrations/20200107172020_add_timestamp_softwarelicensespolicy_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200107172020_add_timestamp_softwarelicensespolicy.rb')
+require_migration!('add_timestamp_softwarelicensespolicy')
 
 RSpec.describe AddTimestampSoftwarelicensespolicy do
   let(:software_licenses_policy) { table(:software_license_policies) }
diff --git a/spec/migrations/20200122123016_backfill_project_settings_spec.rb b/spec/migrations/20200122123016_backfill_project_settings_spec.rb
index 9ae492a36aa..7fc8eb0e368 100644
--- a/spec/migrations/20200122123016_backfill_project_settings_spec.rb
+++ b/spec/migrations/20200122123016_backfill_project_settings_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200122123016_backfill_project_settings.rb')
+require_migration!('backfill_project_settings')
 
 RSpec.describe BackfillProjectSettings, :sidekiq, schema: 20200114113341 do
   let(:projects) { table(:projects) }
diff --git a/spec/migrations/20200123155929_remove_invalid_jira_data_spec.rb b/spec/migrations/20200123155929_remove_invalid_jira_data_spec.rb
index a6ef0b29461..9000d4b7fef 100644
--- a/spec/migrations/20200123155929_remove_invalid_jira_data_spec.rb
+++ b/spec/migrations/20200123155929_remove_invalid_jira_data_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200123155929_remove_invalid_jira_data.rb')
+require_migration!('remove_invalid_jira_data')
 
 RSpec.describe RemoveInvalidJiraData do
   let(:jira_tracker_data) { table(:jira_tracker_data) }
diff --git a/spec/migrations/20200127090233_remove_invalid_issue_tracker_data_spec.rb b/spec/migrations/20200127090233_remove_invalid_issue_tracker_data_spec.rb
index 9ddf188b15e..1d3476d6d61 100644
--- a/spec/migrations/20200127090233_remove_invalid_issue_tracker_data_spec.rb
+++ b/spec/migrations/20200127090233_remove_invalid_issue_tracker_data_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200127090233_remove_invalid_issue_tracker_data.rb')
+require_migration!('remove_invalid_issue_tracker_data')
 
 RSpec.describe RemoveInvalidIssueTrackerData do
   let(:issue_tracker_data) { table(:issue_tracker_data) }
diff --git a/spec/migrations/20200130145430_reschedule_migrate_issue_trackers_data_spec.rb b/spec/migrations/20200130145430_reschedule_migrate_issue_trackers_data_spec.rb
index 9947718d11b..5516e2af3f1 100644
--- a/spec/migrations/20200130145430_reschedule_migrate_issue_trackers_data_spec.rb
+++ b/spec/migrations/20200130145430_reschedule_migrate_issue_trackers_data_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200130145430_reschedule_migrate_issue_trackers_data.rb')
+require_migration!('reschedule_migrate_issue_trackers_data')
 
 RSpec.describe RescheduleMigrateIssueTrackersData do
   let(:services) { table(:services) }
@@ -22,7 +22,7 @@ RSpec.describe RescheduleMigrateIssueTrackersData do
     services.create!(id: 11, type: 'JiraService', properties: nil, category: 'issue_tracker')
   end
 
-  let!(:bugzilla_service) do
+  let!(:bugzilla_integration) do
     services.create!(id: 12, type: 'BugzillaService', properties: properties, category: 'issue_tracker')
   end
 
@@ -56,7 +56,7 @@ RSpec.describe RescheduleMigrateIssueTrackersData do
         freeze_time do
           migrate!
 
-          expect(migration_name).to be_scheduled_delayed_migration(3.minutes, jira_service.id, bugzilla_service.id)
+          expect(migration_name).to be_scheduled_delayed_migration(3.minutes, jira_service.id, bugzilla_integration.id)
           expect(migration_name).to be_scheduled_delayed_migration(6.minutes, youtrack_service.id, gitlab_service.id)
           expect(BackgroundMigrationWorker.jobs.size).to eq(2)
         end
@@ -70,7 +70,7 @@ RSpec.describe RescheduleMigrateIssueTrackersData do
 
     let!(:valid_issue_tracker_data) do
       issue_tracker_data.create!(
-        service_id: bugzilla_service.id,
+        service_id: bugzilla_integration.id,
         encrypted_issues_url: 'http://url.com',
         encrypted_issues_url_iv: 'somevalue'
       )
@@ -78,7 +78,7 @@ RSpec.describe RescheduleMigrateIssueTrackersData do
 
     let!(:invalid_issue_tracker_data) do
       issue_tracker_data.create!(
-        service_id: bugzilla_service.id,
+        service_id: bugzilla_integration.id,
         encrypted_issues_url: 'http:url.com',
         encrypted_issues_url_iv: nil
       )
@@ -86,7 +86,7 @@ RSpec.describe RescheduleMigrateIssueTrackersData do
 
     let!(:valid_jira_tracker_data) do
       jira_tracker_data.create!(
-        service_id: bugzilla_service.id,
+        service_id: bugzilla_integration.id,
         encrypted_url: 'http://url.com',
         encrypted_url_iv: 'somevalue'
       )
@@ -94,7 +94,7 @@ RSpec.describe RescheduleMigrateIssueTrackersData do
 
     let!(:invalid_jira_tracker_data) do
       jira_tracker_data.create!(
-        service_id: bugzilla_service.id,
+        service_id: bugzilla_integration.id,
         encrypted_url: 'http://url.com',
         encrypted_url_iv: nil
       )
diff --git a/spec/migrations/20200313203550_remove_orphaned_chat_names_spec.rb b/spec/migrations/20200313203550_remove_orphaned_chat_names_spec.rb
index f16e7b483e9..6b1126ca53e 100644
--- a/spec/migrations/20200313203550_remove_orphaned_chat_names_spec.rb
+++ b/spec/migrations/20200313203550_remove_orphaned_chat_names_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200313203550_remove_orphaned_chat_names.rb')
+require_migration!('remove_orphaned_chat_names')
 
 RSpec.describe RemoveOrphanedChatNames, schema: 20200313202430 do
   let(:projects) { table(:projects) }
diff --git a/spec/migrations/20200406102120_backfill_deployment_clusters_from_deployments_spec.rb b/spec/migrations/20200406102120_backfill_deployment_clusters_from_deployments_spec.rb
index 9950cc23889..c6a512a1ec9 100644
--- a/spec/migrations/20200406102120_backfill_deployment_clusters_from_deployments_spec.rb
+++ b/spec/migrations/20200406102120_backfill_deployment_clusters_from_deployments_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200406102120_backfill_deployment_clusters_from_deployments.rb')
+require_migration!('backfill_deployment_clusters_from_deployments')
 
 RSpec.describe BackfillDeploymentClustersFromDeployments, :migration, :sidekiq, schema: 20200227140242 do
   describe '#up' do
diff --git a/spec/migrations/20200511145545_change_variable_interpolation_format_in_common_metrics_spec.rb b/spec/migrations/20200511145545_change_variable_interpolation_format_in_common_metrics_spec.rb
index e42a448a01e..e712e555b70 100644
--- a/spec/migrations/20200511145545_change_variable_interpolation_format_in_common_metrics_spec.rb
+++ b/spec/migrations/20200511145545_change_variable_interpolation_format_in_common_metrics_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200511145545_change_variable_interpolation_format_in_common_metrics')
+require_migration!('change_variable_interpolation_format_in_common_metrics')
 
 RSpec.describe ChangeVariableInterpolationFormatInCommonMetrics, :migration do
   let(:prometheus_metrics) { table(:prometheus_metrics) }
diff --git a/spec/migrations/20200526115436_dedup_mr_metrics_spec.rb b/spec/migrations/20200526115436_dedup_mr_metrics_spec.rb
index 9d3851ed5b0..f16026884f5 100644
--- a/spec/migrations/20200526115436_dedup_mr_metrics_spec.rb
+++ b/spec/migrations/20200526115436_dedup_mr_metrics_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200526115436_dedup_mr_metrics')
+require_migration!('dedup_mr_metrics')
 
 RSpec.describe DedupMrMetrics, :migration, schema: 20200526013844 do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/20200526231421_update_index_approval_rule_name_for_code_owners_rule_type_spec.rb b/spec/migrations/20200526231421_update_index_approval_rule_name_for_code_owners_rule_type_spec.rb
index 9f26b698158..9b72559234e 100644
--- a/spec/migrations/20200526231421_update_index_approval_rule_name_for_code_owners_rule_type_spec.rb
+++ b/spec/migrations/20200526231421_update_index_approval_rule_name_for_code_owners_rule_type_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200526231421_update_index_approval_rule_name_for_code_owners_rule_type.rb')
+require_migration!('update_index_approval_rule_name_for_code_owners_rule_type')
 
 RSpec.describe UpdateIndexApprovalRuleNameForCodeOwnersRuleType do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/20200703125016_backfill_namespace_settings_spec.rb b/spec/migrations/20200703125016_backfill_namespace_settings_spec.rb
index 9ff88009d8a..c9f7a66a0b9 100644
--- a/spec/migrations/20200703125016_backfill_namespace_settings_spec.rb
+++ b/spec/migrations/20200703125016_backfill_namespace_settings_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200703125016_backfill_namespace_settings.rb')
+require_migration!('backfill_namespace_settings')
 
 RSpec.describe BackfillNamespaceSettings, :sidekiq, schema: 20200703124823 do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/20200706035141_adjust_unique_index_alert_management_alerts_spec.rb b/spec/migrations/20200706035141_adjust_unique_index_alert_management_alerts_spec.rb
index 0068571ad0d..121b1729dd2 100644
--- a/spec/migrations/20200706035141_adjust_unique_index_alert_management_alerts_spec.rb
+++ b/spec/migrations/20200706035141_adjust_unique_index_alert_management_alerts_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200706035141_adjust_unique_index_alert_management_alerts.rb')
+require_migration!('adjust_unique_index_alert_management_alerts')
 
 RSpec.describe AdjustUniqueIndexAlertManagementAlerts, :migration do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/20200728080250_replace_unique_index_on_cycle_analytics_stages_spec.rb b/spec/migrations/20200728080250_replace_unique_index_on_cycle_analytics_stages_spec.rb
index f9a56bf649d..761168ae609 100644
--- a/spec/migrations/20200728080250_replace_unique_index_on_cycle_analytics_stages_spec.rb
+++ b/spec/migrations/20200728080250_replace_unique_index_on_cycle_analytics_stages_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200728080250_replace_unique_index_on_cycle_analytics_stages.rb')
+require_migration!('replace_unique_index_on_cycle_analytics_stages')
 
 RSpec.describe ReplaceUniqueIndexOnCycleAnalyticsStages, :migration, schema: 20200728080250 do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/20200728182311_add_o_auth_paths_to_protected_paths_spec.rb b/spec/migrations/20200728182311_add_o_auth_paths_to_protected_paths_spec.rb
index e12519e15b8..5c65d45c6e0 100644
--- a/spec/migrations/20200728182311_add_o_auth_paths_to_protected_paths_spec.rb
+++ b/spec/migrations/20200728182311_add_o_auth_paths_to_protected_paths_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200728182311_add_o_auth_paths_to_protected_paths.rb')
+require_migration!('add_o_auth_paths_to_protected_paths')
 
 RSpec.describe AddOAuthPathsToProtectedPaths do
   subject(:migration) { described_class.new }
diff --git a/spec/migrations/20200811130433_create_missing_vulnerabilities_issue_links_spec.rb b/spec/migrations/20200811130433_create_missing_vulnerabilities_issue_links_spec.rb
index a821e4a43df..d166ff3617b 100644
--- a/spec/migrations/20200811130433_create_missing_vulnerabilities_issue_links_spec.rb
+++ b/spec/migrations/20200811130433_create_missing_vulnerabilities_issue_links_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200811130433_create_missing_vulnerabilities_issue_links.rb')
+require_migration!('create_missing_vulnerabilities_issue_links')
 
 RSpec.describe CreateMissingVulnerabilitiesIssueLinks, :migration do
   let(:namespace) { table(:namespaces).create!(name: 'user', path: 'user') }
diff --git a/spec/migrations/20200915044225_schedule_migration_to_hashed_storage_spec.rb b/spec/migrations/20200915044225_schedule_migration_to_hashed_storage_spec.rb
index 20ba2fbccea..69f7525d265 100644
--- a/spec/migrations/20200915044225_schedule_migration_to_hashed_storage_spec.rb
+++ b/spec/migrations/20200915044225_schedule_migration_to_hashed_storage_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200915044225_schedule_migration_to_hashed_storage.rb')
+require_migration!('schedule_migration_to_hashed_storage')
 
 RSpec.describe ScheduleMigrationToHashedStorage, :sidekiq do
   describe '#up' do
diff --git a/spec/migrations/20200929052138_create_initial_versions_for_pre_versioning_terraform_states_spec.rb b/spec/migrations/20200929052138_create_initial_versions_for_pre_versioning_terraform_states_spec.rb
index 1a618712b32..34bd8f1c869 100644
--- a/spec/migrations/20200929052138_create_initial_versions_for_pre_versioning_terraform_states_spec.rb
+++ b/spec/migrations/20200929052138_create_initial_versions_for_pre_versioning_terraform_states_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200929052138_create_initial_versions_for_pre_versioning_terraform_states.rb')
+require_migration!('create_initial_versions_for_pre_versioning_terraform_states')
 
 RSpec.describe CreateInitialVersionsForPreVersioningTerraformStates do
   let(:namespace) { table(:namespaces).create!(name: 'terraform', path: 'terraform') }
diff --git a/spec/migrations/20201014205300_drop_backfill_jira_tracker_deployment_type_jobs_spec.rb b/spec/migrations/20201014205300_drop_backfill_jira_tracker_deployment_type_jobs_spec.rb
index 134bea6b666..ef9bc5788c1 100644
--- a/spec/migrations/20201014205300_drop_backfill_jira_tracker_deployment_type_jobs_spec.rb
+++ b/spec/migrations/20201014205300_drop_backfill_jira_tracker_deployment_type_jobs_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20201014205300_drop_backfill_jira_tracker_deployment_type_jobs.rb')
+require_migration!('drop_backfill_jira_tracker_deployment_type_jobs')
 
 RSpec.describe DropBackfillJiraTrackerDeploymentTypeJobs, :sidekiq, :redis, schema: 2020_10_14_205300 do
   subject(:migration) { described_class.new }
diff --git a/spec/migrations/20201027002551_migrate_services_to_http_integrations_spec.rb b/spec/migrations/20201027002551_migrate_services_to_http_integrations_spec.rb
index c1fbde69100..f9f6cd9589c 100644
--- a/spec/migrations/20201027002551_migrate_services_to_http_integrations_spec.rb
+++ b/spec/migrations/20201027002551_migrate_services_to_http_integrations_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20201027002551_migrate_services_to_http_integrations.rb')
+require_migration!('migrate_services_to_http_integrations')
 
 RSpec.describe MigrateServicesToHttpIntegrations do
   let!(:namespace) { table(:namespaces).create!(name: 'namespace', path: 'namespace') }
diff --git a/spec/migrations/20201028182809_backfill_jira_tracker_deployment_type2_spec.rb b/spec/migrations/20201028182809_backfill_jira_tracker_deployment_type2_spec.rb
index 658b26b1c49..0746ad7e44f 100644
--- a/spec/migrations/20201028182809_backfill_jira_tracker_deployment_type2_spec.rb
+++ b/spec/migrations/20201028182809_backfill_jira_tracker_deployment_type2_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201028182809_backfill_jira_tracker_deployment_type2.rb')
+require_migration!('backfill_jira_tracker_deployment_type2')
 
 RSpec.describe BackfillJiraTrackerDeploymentType2, :sidekiq, schema: 20201028182809 do
   let(:services) { table(:services) }
diff --git a/spec/migrations/20201110161542_cleanup_transfered_projects_shared_runners_spec.rb b/spec/migrations/20201110161542_cleanup_transfered_projects_shared_runners_spec.rb
index 8563114c9f9..7a79406ac80 100644
--- a/spec/migrations/20201110161542_cleanup_transfered_projects_shared_runners_spec.rb
+++ b/spec/migrations/20201110161542_cleanup_transfered_projects_shared_runners_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201110161542_cleanup_transfered_projects_shared_runners.rb')
+require_migration!('cleanup_transfered_projects_shared_runners')
 
 RSpec.describe CleanupTransferedProjectsSharedRunners, :sidekiq, schema: 20201110161542 do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/20201112130710_schedule_remove_duplicate_vulnerabilities_findings_spec.rb b/spec/migrations/20201112130710_schedule_remove_duplicate_vulnerabilities_findings_spec.rb
index ff27bdcf12d..92a716c355b 100644
--- a/spec/migrations/20201112130710_schedule_remove_duplicate_vulnerabilities_findings_spec.rb
+++ b/spec/migrations/20201112130710_schedule_remove_duplicate_vulnerabilities_findings_spec.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201112130710_schedule_remove_duplicate_vulnerabilities_findings.rb')
+require_migration!('schedule_remove_duplicate_vulnerabilities_findings')
 
 RSpec.describe ScheduleRemoveDuplicateVulnerabilitiesFindings, :migration do
   let(:namespace) { table(:namespaces).create!(name: 'user', path: 'user') }
diff --git a/spec/migrations/20201112130715_schedule_recalculate_uuid_on_vulnerabilities_occurrences_spec.rb b/spec/migrations/20201112130715_schedule_recalculate_uuid_on_vulnerabilities_occurrences_spec.rb
index fce32be4683..dda919d70d9 100644
--- a/spec/migrations/20201112130715_schedule_recalculate_uuid_on_vulnerabilities_occurrences_spec.rb
+++ b/spec/migrations/20201112130715_schedule_recalculate_uuid_on_vulnerabilities_occurrences_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201112130715_schedule_recalculate_uuid_on_vulnerabilities_occurrences.rb')
+require_migration!('schedule_recalculate_uuid_on_vulnerabilities_occurrences')
 
 RSpec.describe ScheduleRecalculateUuidOnVulnerabilitiesOccurrences, :migration do
   let(:namespace) { table(:namespaces).create!(name: 'user', path: 'user') }
diff --git a/spec/migrations/20210112143418_remove_duplicate_services2_spec.rb b/spec/migrations/20210112143418_remove_duplicate_services2_spec.rb
index 9a57d9bf84d..289416c22cf 100644
--- a/spec/migrations/20210112143418_remove_duplicate_services2_spec.rb
+++ b/spec/migrations/20210112143418_remove_duplicate_services2_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210112143418_remove_duplicate_services2.rb')
+require_migration!('remove_duplicate_services2')
 
 RSpec.describe RemoveDuplicateServices2 do
   let_it_be(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/20210119122354_alter_vsa_issue_first_mentioned_in_commit_value_spec.rb b/spec/migrations/20210119122354_alter_vsa_issue_first_mentioned_in_commit_value_spec.rb
index 33b2e009c8d..469dbb4f946 100644
--- a/spec/migrations/20210119122354_alter_vsa_issue_first_mentioned_in_commit_value_spec.rb
+++ b/spec/migrations/20210119122354_alter_vsa_issue_first_mentioned_in_commit_value_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210119122354_alter_vsa_issue_first_mentioned_in_commit_value.rb')
+require_migration!('alter_vsa_issue_first_mentioned_in_commit_value')
 
 RSpec.describe AlterVsaIssueFirstMentionedInCommitValue, schema: 20210114033715 do
   let(:group_stages) { table(:analytics_cycle_analytics_group_stages) }
diff --git a/spec/migrations/20210205174154_remove_bad_dependency_proxy_manifests_spec.rb b/spec/migrations/20210205174154_remove_bad_dependency_proxy_manifests_spec.rb
index 7e351617ea3..cb48df20d58 100644
--- a/spec/migrations/20210205174154_remove_bad_dependency_proxy_manifests_spec.rb
+++ b/spec/migrations/20210205174154_remove_bad_dependency_proxy_manifests_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210205174154_remove_bad_dependency_proxy_manifests.rb')
+require_migration!('remove_bad_dependency_proxy_manifests')
 
 RSpec.describe RemoveBadDependencyProxyManifests, schema: 20210128140157 do
   let_it_be(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/20210210093901_backfill_updated_at_after_repository_storage_move_spec.rb b/spec/migrations/20210210093901_backfill_updated_at_after_repository_storage_move_spec.rb
index 52678111b48..1932bc00cee 100644
--- a/spec/migrations/20210210093901_backfill_updated_at_after_repository_storage_move_spec.rb
+++ b/spec/migrations/20210210093901_backfill_updated_at_after_repository_storage_move_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210210093901_backfill_updated_at_after_repository_storage_move.rb')
+require_migration!('backfill_updated_at_after_repository_storage_move')
 
 RSpec.describe BackfillUpdatedAtAfterRepositoryStorageMove, :sidekiq do
   let_it_be(:projects) { table(:projects) }
diff --git a/spec/migrations/20210226141517_dedup_issue_metrics_spec.rb b/spec/migrations/20210226141517_dedup_issue_metrics_spec.rb
index 043884eb7b2..6068df85e2e 100644
--- a/spec/migrations/20210226141517_dedup_issue_metrics_spec.rb
+++ b/spec/migrations/20210226141517_dedup_issue_metrics_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210226141517_dedup_issue_metrics.rb')
+require_migration!('dedup_issue_metrics')
 
 RSpec.describe DedupIssueMetrics, :migration, schema: 20210205104425 do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/20210406144743_backfill_total_tuple_count_for_batched_migrations_spec.rb b/spec/migrations/20210406144743_backfill_total_tuple_count_for_batched_migrations_spec.rb
index e1727cb2a1c..94ed2320c50 100644
--- a/spec/migrations/20210406144743_backfill_total_tuple_count_for_batched_migrations_spec.rb
+++ b/spec/migrations/20210406144743_backfill_total_tuple_count_for_batched_migrations_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210406144743_backfill_total_tuple_count_for_batched_migrations.rb')
+require_migration!('backfill_total_tuple_count_for_batched_migrations')
 
 RSpec.describe BackfillTotalTupleCountForBatchedMigrations, :migration, schema: 20210406140057 do
   let_it_be(:table_name) { 'projects' }
diff --git a/spec/migrations/20210413132500_reschedule_artifact_expiry_backfill_again_spec.rb b/spec/migrations/20210413132500_reschedule_artifact_expiry_backfill_again_spec.rb
index 4f36a95f9cf..78b6a71c609 100644
--- a/spec/migrations/20210413132500_reschedule_artifact_expiry_backfill_again_spec.rb
+++ b/spec/migrations/20210413132500_reschedule_artifact_expiry_backfill_again_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20210413132500_reschedule_artifact_expiry_backfill_again.rb')
+require_migration!('reschedule_artifact_expiry_backfill_again')
 
 RSpec.describe RescheduleArtifactExpiryBackfillAgain, :migration do
   let(:migration_class) { Gitlab::BackgroundMigration::BackfillArtifactExpiryDate }
diff --git a/spec/migrations/20210421163509_schedule_update_jira_tracker_data_deployment_type_based_on_url_spec.rb b/spec/migrations/20210421163509_schedule_update_jira_tracker_data_deployment_type_based_on_url_spec.rb
new file mode 100644
index 00000000000..ea0a16212dd
--- /dev/null
+++ b/spec/migrations/20210421163509_schedule_update_jira_tracker_data_deployment_type_based_on_url_spec.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!('schedule_update_jira_tracker_data_deployment_type_based_on_url')
+
+RSpec.describe ScheduleUpdateJiraTrackerDataDeploymentTypeBasedOnUrl, :migration do
+  let(:services_table) { table(:services) }
+  let(:service_jira_cloud) { services_table.create!(id: 1, type: 'JiraService') }
+  let(:service_jira_server) { services_table.create!(id: 2, type: 'JiraService') }
+
+  before do
+    jira_tracker_data = Class.new(ApplicationRecord) do
+      self.table_name = 'jira_tracker_data'
+
+      def self.encryption_options
+        {
+          key: Settings.attr_encrypted_db_key_base_32,
+          encode: true,
+          mode: :per_attribute_iv,
+          algorithm: 'aes-256-gcm'
+        }
+      end
+
+      attr_encrypted :url, encryption_options
+      attr_encrypted :api_url, encryption_options
+      attr_encrypted :username, encryption_options
+      attr_encrypted :password, encryption_options
+    end
+
+    stub_const('JiraTrackerData', jira_tracker_data)
+    stub_const("#{described_class}::BATCH_SIZE", 1)
+  end
+
+  let!(:tracker_data_cloud) { JiraTrackerData.create!(id: 1, service_id: service_jira_cloud.id, url: "https://test-domain.atlassian.net", deployment_type: 0) }
+  let!(:tracker_data_server) { JiraTrackerData.create!(id: 2, service_id: service_jira_server.id, url: "http://totally-not-jira-server.company.org", deployment_type: 0) }
+
+  around do |example|
+    freeze_time { Sidekiq::Testing.fake! { example.run } }
+  end
+
+  it 'schedules background migration' do
+    migrate!
+
+    expect(BackgroundMigrationWorker.jobs.size).to eq(2)
+    expect(described_class::MIGRATION).to be_scheduled_migration(tracker_data_cloud.id, tracker_data_cloud.id)
+    expect(described_class::MIGRATION).to be_scheduled_migration(tracker_data_server.id, tracker_data_server.id)
+  end
+end
diff --git a/spec/migrations/20210423160427_schedule_drop_invalid_vulnerabilities_spec.rb b/spec/migrations/20210423160427_schedule_drop_invalid_vulnerabilities_spec.rb
index 1588cec0258..3b462c884c4 100644
--- a/spec/migrations/20210423160427_schedule_drop_invalid_vulnerabilities_spec.rb
+++ b/spec/migrations/20210423160427_schedule_drop_invalid_vulnerabilities_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210423160427_schedule_drop_invalid_vulnerabilities.rb')
+require_migration!('schedule_drop_invalid_vulnerabilities')
 
 RSpec.describe ScheduleDropInvalidVulnerabilities, :migration do
   let_it_be(:namespace) { table(:namespaces).create!(name: 'user', path: 'user') }
diff --git a/spec/migrations/20210430134202_copy_adoption_snapshot_namespace_spec.rb b/spec/migrations/20210430134202_copy_adoption_snapshot_namespace_spec.rb
index 3e57ffb4729..03ce0a430e5 100644
--- a/spec/migrations/20210430134202_copy_adoption_snapshot_namespace_spec.rb
+++ b/spec/migrations/20210430134202_copy_adoption_snapshot_namespace_spec.rb
@@ -1,15 +1,15 @@
 # frozen_string_literal: true
-
+#
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20210430134202_copy_adoption_snapshot_namespace.rb')
+require_migration!('copy_adoption_snapshot_namespace')
 
-RSpec.describe CopyAdoptionSnapshotNamespace, :migration do
+RSpec.describe CopyAdoptionSnapshotNamespace, :migration, schema: 20210430124630 do
   let(:namespaces_table) { table(:namespaces) }
   let(:segments_table) { table(:analytics_devops_adoption_segments) }
   let(:snapshots_table) { table(:analytics_devops_adoption_snapshots) }
 
-  before do
+  it 'updates all snapshots without namespace set' do
     namespaces_table.create!(id: 123, name: 'group1', path: 'group1')
     namespaces_table.create!(id: 124, name: 'group2', path: 'group2')
 
@@ -19,9 +19,7 @@ RSpec.describe CopyAdoptionSnapshotNamespace, :migration do
     create_snapshot(id: 1, segment_id: 1)
     create_snapshot(id: 2, segment_id: 2)
     create_snapshot(id: 3, segment_id: 2, namespace_id: 123)
-  end
 
-  it 'updates all snapshots without namespace set' do
     migrate!
 
     expect(snapshots_table.find(1).namespace_id).to eq 123
diff --git a/spec/migrations/20210430135954_copy_adoption_segments_namespace_spec.rb b/spec/migrations/20210430135954_copy_adoption_segments_namespace_spec.rb
index a37772db28c..abdfd03f97e 100644
--- a/spec/migrations/20210430135954_copy_adoption_segments_namespace_spec.rb
+++ b/spec/migrations/20210430135954_copy_adoption_segments_namespace_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20210430135954_copy_adoption_segments_namespace.rb')
+require_migration!('copy_adoption_segments_namespace')
 
 RSpec.describe CopyAdoptionSegmentsNamespace, :migration do
   let(:namespaces_table) { table(:namespaces) }
diff --git a/spec/migrations/20210503105845_add_project_value_stream_id_to_project_stages_spec.rb b/spec/migrations/20210503105845_add_project_value_stream_id_to_project_stages_spec.rb
index 6e1cc63e42a..4969d82d183 100644
--- a/spec/migrations/20210503105845_add_project_value_stream_id_to_project_stages_spec.rb
+++ b/spec/migrations/20210503105845_add_project_value_stream_id_to_project_stages_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'migrate', '20210503105845_add_project_value_stream_id_to_project_stages.rb')
+require_migration!('add_project_value_stream_id_to_project_stages')
 
 RSpec.describe AddProjectValueStreamIdToProjectStages, schema: 20210503105022 do
   let(:stages) { table(:analytics_cycle_analytics_project_stages) }
diff --git a/spec/migrations/20210511142748_schedule_drop_invalid_vulnerabilities2_spec.rb b/spec/migrations/20210511142748_schedule_drop_invalid_vulnerabilities2_spec.rb
index 6ffaa26f923..969a2e58947 100644
--- a/spec/migrations/20210511142748_schedule_drop_invalid_vulnerabilities2_spec.rb
+++ b/spec/migrations/20210511142748_schedule_drop_invalid_vulnerabilities2_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210511142748_schedule_drop_invalid_vulnerabilities2.rb')
+require_migration!('schedule_drop_invalid_vulnerabilities2')
 
 RSpec.describe ScheduleDropInvalidVulnerabilities2, :migration do
   let_it_be(:background_migration_jobs) { table(:background_migration_jobs) }
diff --git a/spec/migrations/20210514063252_schedule_cleanup_orphaned_lfs_objects_projects_spec.rb b/spec/migrations/20210514063252_schedule_cleanup_orphaned_lfs_objects_projects_spec.rb
new file mode 100644
index 00000000000..b7524ee0bff
--- /dev/null
+++ b/spec/migrations/20210514063252_schedule_cleanup_orphaned_lfs_objects_projects_spec.rb
@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!('schedule_cleanup_orphaned_lfs_objects_projects')
+
+RSpec.describe ScheduleCleanupOrphanedLfsObjectsProjects, schema: 20210511165250 do
+  let(:lfs_objects_projects) { table(:lfs_objects_projects) }
+  let(:projects) { table(:projects) }
+  let(:namespaces) { table(:namespaces) }
+  let(:lfs_objects) { table(:lfs_objects) }
+
+  let(:namespace) { namespaces.create!(name: 'namespace', path: 'namespace') }
+  let(:project) { projects.create!(namespace_id: namespace.id) }
+  let(:another_project) { projects.create!(namespace_id: namespace.id) }
+  let(:lfs_object) { lfs_objects.create!(oid: 'abcdef', size: 1) }
+  let(:another_lfs_object) { lfs_objects.create!(oid: '1abcde', size: 2) }
+
+  describe '#up' do
+    it 'schedules CleanupOrphanedLfsObjectsProjects background jobs' do
+      stub_const("#{described_class}::BATCH_SIZE", 2)
+
+      lfs_objects_project1 = lfs_objects_projects.create!(project_id: project.id, lfs_object_id: lfs_object.id)
+      lfs_objects_project2 = lfs_objects_projects.create!(project_id: another_project.id, lfs_object_id: lfs_object.id)
+      lfs_objects_project3 = lfs_objects_projects.create!(project_id: project.id, lfs_object_id: another_lfs_object.id)
+      lfs_objects_project4 = lfs_objects_projects.create!(project_id: another_project.id, lfs_object_id: another_lfs_object.id)
+
+      freeze_time do
+        migrate!
+
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(2.minutes, lfs_objects_project1.id, lfs_objects_project2.id)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, lfs_objects_project3.id, lfs_objects_project4.id)
+
+        expect(BackgroundMigrationWorker.jobs.size).to eq(2)
+      end
+    end
+  end
+end
diff --git a/spec/migrations/20210601073400_fix_total_stage_in_vsa_spec.rb b/spec/migrations/20210601073400_fix_total_stage_in_vsa_spec.rb
new file mode 100644
index 00000000000..36d85d1f745
--- /dev/null
+++ b/spec/migrations/20210601073400_fix_total_stage_in_vsa_spec.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!('fix_total_stage_in_vsa')
+
+RSpec.describe FixTotalStageInVsa, :migration, schema: 20210518001450 do
+  let(:namespaces) { table(:namespaces) }
+  let(:group_value_streams) { table(:analytics_cycle_analytics_group_value_streams) }
+  let(:group_stages) { table(:analytics_cycle_analytics_group_stages) }
+
+  let!(:group) { namespaces.create!(name: 'ns1', path: 'ns1', type: 'Group') }
+  let!(:group_vs_1) { group_value_streams.create!(name: 'default', group_id: group.id) }
+  let!(:group_vs_2) { group_value_streams.create!(name: 'other', group_id: group.id) }
+  let!(:group_vs_3) { group_value_streams.create!(name: 'another', group_id: group.id) }
+  let!(:group_stage_total) { group_stages.create!(name: 'Total', custom: false, group_id: group.id, group_value_stream_id: group_vs_1.id, start_event_identifier: 1, end_event_identifier: 2) }
+  let!(:group_stage_different_name) { group_stages.create!(name: 'Issue', custom: false, group_id: group.id, group_value_stream_id: group_vs_2.id, start_event_identifier: 1, end_event_identifier: 2) }
+  let!(:group_stage_total_custom) { group_stages.create!(name: 'Total', custom: true, group_id: group.id, group_value_stream_id: group_vs_3.id, start_event_identifier: 1, end_event_identifier: 2) }
+
+  it 'deduplicates issue_metrics table' do
+    migrate!
+
+    group_stage_total.reload
+    group_stage_different_name.reload
+    group_stage_total_custom.reload
+
+    expect(group_stage_total.custom).to eq(true)
+    expect(group_stage_different_name.custom).to eq(false)
+    expect(group_stage_total_custom.custom).to eq(true)
+  end
+end
diff --git a/spec/migrations/20210601080039_group_protected_environments_add_index_and_constraint_spec.rb b/spec/migrations/20210601080039_group_protected_environments_add_index_and_constraint_spec.rb
new file mode 100644
index 00000000000..d3154596b26
--- /dev/null
+++ b/spec/migrations/20210601080039_group_protected_environments_add_index_and_constraint_spec.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!('group_protected_environments_add_index_and_constraint')
+
+RSpec.describe GroupProtectedEnvironmentsAddIndexAndConstraint do
+  let(:migration) { described_class.new }
+  let(:protected_environments) { table(:protected_environments) }
+  let(:group) { table(:namespaces).create!(name: 'group', path: 'group') }
+  let(:project) { table(:projects).create!(name: 'project', path: 'project', namespace_id: group.id) }
+
+  describe '#down' do
+    it 'deletes only group-level configurations' do
+      migration.up
+
+      project_protections = [
+        protected_environments.create!(project_id: project.id, name: 'production'),
+        protected_environments.create!(project_id: project.id, name: 'staging')
+      ]
+      protected_environments.create!(group_id: group.id, name: 'production')
+      protected_environments.create!(group_id: group.id, name: 'staging')
+
+      migration.down
+
+      expect(protected_environments.pluck(:id))
+        .to match_array project_protections.map(&:id)
+    end
+  end
+end
diff --git a/spec/migrations/20210603222333_remove_builds_email_service_from_services_spec.rb b/spec/migrations/20210603222333_remove_builds_email_service_from_services_spec.rb
new file mode 100644
index 00000000000..c457be79834
--- /dev/null
+++ b/spec/migrations/20210603222333_remove_builds_email_service_from_services_spec.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+require_migration!('remove_builds_email_service_from_services')
+
+RSpec.describe RemoveBuildsEmailServiceFromServices do
+  let(:namespaces) { table(:namespaces) }
+  let(:projects) { table(:projects) }
+  let(:services) { table(:services) }
+  let(:namespace) { namespaces.create!(name: 'foo', path: 'bar') }
+  let(:project) { projects.create!(namespace_id: namespace.id) }
+
+  it 'correctly deletes `BuildsEmailService` services' do
+    services.create!(project_id: project.id, type: 'BuildsEmailService')
+    services.create!(project_id: project.id, type: 'OtherService')
+
+    expect(services.all.pluck(:type)).to match_array %w[BuildsEmailService OtherService]
+
+    migrate!
+
+    expect(services.all.pluck(:type)).to eq %w[OtherService]
+  end
+end
diff --git a/spec/migrations/add_default_and_free_plans_spec.rb b/spec/migrations/add_default_and_free_plans_spec.rb
index 75787896999..7256e4928af 100644
--- a/spec/migrations/add_default_and_free_plans_spec.rb
+++ b/spec/migrations/add_default_and_free_plans_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20191023152913_add_default_and_free_plans.rb')
+require_migration!('add_default_and_free_plans')
 
 RSpec.describe AddDefaultAndFreePlans do
   describe 'migrate' do
diff --git a/spec/migrations/add_default_value_stream_to_groups_with_group_stages_spec.rb b/spec/migrations/add_default_value_stream_to_groups_with_group_stages_spec.rb
index 31dee29a39b..f21acbc56df 100644
--- a/spec/migrations/add_default_value_stream_to_groups_with_group_stages_spec.rb
+++ b/spec/migrations/add_default_value_stream_to_groups_with_group_stages_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200701070435_add_default_value_stream_to_groups_with_group_stages.rb')
+require_migration!
 
 RSpec.describe AddDefaultValueStreamToGroupsWithGroupStages, schema: 20200624142207 do
   let(:groups) { table(:namespaces) }
diff --git a/spec/migrations/add_deploy_token_type_to_deploy_tokens_spec.rb b/spec/migrations/add_deploy_token_type_to_deploy_tokens_spec.rb
index b33320c922a..f90bfcd313c 100644
--- a/spec/migrations/add_deploy_token_type_to_deploy_tokens_spec.rb
+++ b/spec/migrations/add_deploy_token_type_to_deploy_tokens_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200122161638_add_deploy_token_type_to_deploy_tokens.rb')
+require_migration!
 
 RSpec.describe AddDeployTokenTypeToDeployTokens do
   let(:deploy_tokens) { table(:deploy_tokens) }
diff --git a/spec/migrations/add_incident_settings_to_all_existing_projects_spec.rb b/spec/migrations/add_incident_settings_to_all_existing_projects_spec.rb
index a62fc43df02..3e0bc64bb23 100644
--- a/spec/migrations/add_incident_settings_to_all_existing_projects_spec.rb
+++ b/spec/migrations/add_incident_settings_to_all_existing_projects_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200609212701_add_incident_settings_to_all_existing_projects.rb')
+require_migration!
 
 RSpec.describe AddIncidentSettingsToAllExistingProjects, :migration do
   let(:project_incident_management_settings) { table(:project_incident_management_settings) }
diff --git a/spec/migrations/add_new_post_eoa_plans_spec.rb b/spec/migrations/add_new_post_eoa_plans_spec.rb
index 5ae227a6617..02360d5a12d 100644
--- a/spec/migrations/add_new_post_eoa_plans_spec.rb
+++ b/spec/migrations/add_new_post_eoa_plans_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20210205104425_add_new_post_eoa_plans.rb')
+require_migration!
 
 RSpec.describe AddNewPostEoaPlans do
   let(:plans) { table(:plans) }
diff --git a/spec/migrations/add_partial_index_to_ci_builds_table_on_user_id_name_spec.rb b/spec/migrations/add_partial_index_to_ci_builds_table_on_user_id_name_spec.rb
index 018d48bea66..ab4d6f43797 100644
--- a/spec/migrations/add_partial_index_to_ci_builds_table_on_user_id_name_spec.rb
+++ b/spec/migrations/add_partial_index_to_ci_builds_table_on_user_id_name_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200908064229_add_partial_index_to_ci_builds_table_on_user_id_name.rb')
+require_migration!
 
 RSpec.describe AddPartialIndexToCiBuildsTableOnUserIdName do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/add_repository_storages_weighted_to_application_settings_spec.rb b/spec/migrations/add_repository_storages_weighted_to_application_settings_spec.rb
index 6c6c63d8614..bc4c510fea3 100644
--- a/spec/migrations/add_repository_storages_weighted_to_application_settings_spec.rb
+++ b/spec/migrations/add_repository_storages_weighted_to_application_settings_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200508203901_add_repository_storages_weighted_to_application_settings.rb')
+require_migration!
 
 RSpec.describe AddRepositoryStoragesWeightedToApplicationSettings, :migration do
   let(:storages) { { "foo" => {}, "baz" => {} } }
diff --git a/spec/migrations/add_temporary_partial_index_on_project_id_to_services_spec.rb b/spec/migrations/add_temporary_partial_index_on_project_id_to_services_spec.rb
index 1be699f5636..dae0241b895 100644
--- a/spec/migrations/add_temporary_partial_index_on_project_id_to_services_spec.rb
+++ b/spec/migrations/add_temporary_partial_index_on_project_id_to_services_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200114112932_add_temporary_partial_index_on_project_id_to_services.rb')
+require_migration!
 
 RSpec.describe AddTemporaryPartialIndexOnProjectIdToServices do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/add_unique_constraint_to_approvals_user_id_and_merge_request_id_spec.rb b/spec/migrations/add_unique_constraint_to_approvals_user_id_and_merge_request_id_spec.rb
index 391bc59cdc0..795de51d387 100644
--- a/spec/migrations/add_unique_constraint_to_approvals_user_id_and_merge_request_id_spec.rb
+++ b/spec/migrations/add_unique_constraint_to_approvals_user_id_and_merge_request_id_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190404143330_add_unique_constraint_to_approvals_user_id_and_merge_request_id.rb')
+require_migration!
 
 RSpec.describe AddUniqueConstraintToApprovalsUserIdAndMergeRequestId do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/backfill_and_add_not_null_constraint_to_released_at_column_on_releases_table_spec.rb b/spec/migrations/backfill_and_add_not_null_constraint_to_released_at_column_on_releases_table_spec.rb
index 6c782af9a31..ea6599fc122 100644
--- a/spec/migrations/backfill_and_add_not_null_constraint_to_released_at_column_on_releases_table_spec.rb
+++ b/spec/migrations/backfill_and_add_not_null_constraint_to_released_at_column_on_releases_table_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20190628185004_backfill_and_add_not_null_constraint_to_released_at_column_on_releases_table.rb')
+require_migration!
 
 RSpec.describe BackfillAndAddNotNullConstraintToReleasedAtColumnOnReleasesTable do
   let(:releases)   { table(:releases) }
diff --git a/spec/migrations/backfill_clusters_integration_prometheus_enabled_spec.rb b/spec/migrations/backfill_clusters_integration_prometheus_enabled_spec.rb
new file mode 100644
index 00000000000..6c116120f05
--- /dev/null
+++ b/spec/migrations/backfill_clusters_integration_prometheus_enabled_spec.rb
@@ -0,0 +1,80 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe BackfillClustersIntegrationPrometheusEnabled, :migration do
+  def create_cluster!(label = rand(2**64).to_s)
+    table(:clusters).create!(
+      name: "cluster: #{label}",
+      created_at: 1.day.ago,
+      updated_at: 1.day.ago
+    )
+  end
+
+  def create_clusters_applications_prometheus!(label, status:, cluster_id: nil)
+    table(:clusters_applications_prometheus).create!(
+      cluster_id: cluster_id || create_cluster!(label).id,
+      status: status,
+      version: "#{label}: version",
+      created_at: 1.day.ago, # artificially aged
+      updated_at: 1.day.ago, # artificially aged
+      encrypted_alert_manager_token: "#{label}: token",
+      encrypted_alert_manager_token_iv: "#{label}: iv"
+    )
+  end
+
+  def create_clusters_integration_prometheus!
+    table(:clusters_integration_prometheus).create!(
+      cluster_id: create_cluster!.id,
+      enabled: false,
+      created_at: 1.day.ago,
+      updated_at: 1.day.ago
+    )
+  end
+
+  RSpec::Matchers.define :be_enabled_and_match_application_values do |application|
+    match do |actual|
+      actual.enabled == true &&
+        actual.encrypted_alert_manager_token == application.encrypted_alert_manager_token &&
+        actual.encrypted_alert_manager_token_iv == application.encrypted_alert_manager_token_iv
+    end
+  end
+
+  describe '#up' do
+    it 'backfills the enabled status and alert manager credentials from clusters_applications_prometheus' do
+      status_installed = 3
+      status_externally_installed = 11
+      status_installable = 0
+
+      existing_integration = create_clusters_integration_prometheus!
+      unaffected_existing_integration = create_clusters_integration_prometheus!
+      app_installed = create_clusters_applications_prometheus!('installed', status: status_installed)
+      app_installed_existing_integration = create_clusters_applications_prometheus!('installed, existing integration', status: status_installed, cluster_id: existing_integration.cluster_id)
+      app_externally_installed = create_clusters_applications_prometheus!('externally installed', status: status_externally_installed)
+      app_other_status = create_clusters_applications_prometheus!('other status', status: status_installable)
+
+      migrate!
+
+      integrations = table(:clusters_integration_prometheus).all.index_by(&:cluster_id)
+
+      expect(unaffected_existing_integration.reload).to eq unaffected_existing_integration
+
+      integration_installed = integrations[app_installed.cluster_id]
+      expect(integration_installed).to be_enabled_and_match_application_values(app_installed)
+      expect(integration_installed.updated_at).to be >= 1.minute.ago # recently updated
+      expect(integration_installed.updated_at).to eq(integration_installed.created_at) # recently created
+
+      expect(existing_integration.reload).to be_enabled_and_match_application_values(app_installed_existing_integration)
+      expect(existing_integration.updated_at).to be >= 1.minute.ago # recently updated
+      expect(existing_integration.updated_at).not_to eq(existing_integration.created_at) # but not recently created
+
+      integration_externally_installed = integrations[app_externally_installed.cluster_id]
+      expect(integration_externally_installed).to be_enabled_and_match_application_values(app_externally_installed)
+      expect(integration_externally_installed.updated_at).to be >= 1.minute.ago # recently updated
+      expect(integration_externally_installed.updated_at).to eq(integration_externally_installed.created_at) # recently created
+
+      expect(integrations[app_other_status.cluster_id]).to be_nil
+    end
+  end
+end
diff --git a/spec/migrations/backfill_escalation_policies_for_oncall_schedules_spec.rb b/spec/migrations/backfill_escalation_policies_for_oncall_schedules_spec.rb
new file mode 100644
index 00000000000..da32e92ebb0
--- /dev/null
+++ b/spec/migrations/backfill_escalation_policies_for_oncall_schedules_spec.rb
@@ -0,0 +1,100 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe BackfillEscalationPoliciesForOncallSchedules do
+  let_it_be(:projects) { table(:projects) }
+  let_it_be(:schedules) { table(:incident_management_oncall_schedules) }
+  let_it_be(:policies) { table(:incident_management_escalation_policies) }
+  let_it_be(:rules) { table(:incident_management_escalation_rules) }
+
+  # Project with no schedules
+  let_it_be(:namespace) { table(:namespaces).create!(name: 'gitlab', path: 'gitlab') }
+  let_it_be(:project_a) { projects.create!(namespace_id: namespace.id) }
+
+  context 'with backfill-able schedules' do
+    # Project with one schedule
+    let_it_be(:project_b) { projects.create!(namespace_id: namespace.id) }
+    let_it_be(:schedule_b1) { schedules.create!(project_id: project_b.id, iid: 1, name: 'Schedule B1') }
+
+    # Project with multiple schedules
+    let_it_be(:project_c) { projects.create!(namespace_id: namespace.id) }
+    let_it_be(:schedule_c1) { schedules.create!(project_id: project_c.id, iid: 1, name: 'Schedule C1') }
+    let_it_be(:schedule_c2) { schedules.create!(project_id: project_c.id, iid: 2, name: 'Schedule C2') }
+
+    # Project with a single schedule which already has a policy
+    let_it_be(:project_d) { projects.create!(namespace_id: namespace.id) }
+    let_it_be(:schedule_d1) { schedules.create!(project_id: project_d.id, iid: 1, name: 'Schedule D1') }
+    let_it_be(:policy_d1) { policies.create!(project_id: project_d.id, name: 'Policy D1') }
+    let_it_be(:rule_d1) { rules.create!(policy_id: policy_d1.id, oncall_schedule_id: schedule_d1.id, status: 2, elapsed_time_seconds: 60) }
+
+    # Project with a multiple schedule, one of which already has a policy
+    let_it_be(:project_e) { projects.create!(namespace_id: namespace.id) }
+    let_it_be(:schedule_e1) { schedules.create!(project_id: project_e.id, iid: 1, name: 'Schedule E1') }
+    let_it_be(:schedule_e2) { schedules.create!(project_id: project_e.id, iid: 2, name: 'Schedule E2') }
+    let_it_be(:policy_e1) { policies.create!(project_id: project_e.id, name: 'Policy E1') }
+    let_it_be(:rule_e1) { rules.create!(policy_id: policy_e1.id, oncall_schedule_id: schedule_e2.id, status: 2, elapsed_time_seconds: 60) }
+
+    # Project with a multiple schedule, with multiple policies
+    let_it_be(:project_f) { projects.create!(namespace_id: namespace.id) }
+    let_it_be(:schedule_f1) { schedules.create!(project_id: project_f.id, iid: 1, name: 'Schedule F1') }
+    let_it_be(:schedule_f2) { schedules.create!(project_id: project_f.id, iid: 2, name: 'Schedule F2') }
+    let_it_be(:policy_f1) { policies.create!(project_id: project_f.id, name: 'Policy F1') }
+    let_it_be(:rule_f1) { rules.create!(policy_id: policy_f1.id, oncall_schedule_id: schedule_f1.id, status: 2, elapsed_time_seconds: 60) }
+    let_it_be(:rule_f2) { rules.create!(policy_id: policy_f1.id, oncall_schedule_id: schedule_f2.id, status: 2, elapsed_time_seconds: 60) }
+    let_it_be(:policy_f2) { policies.create!(project_id: project_f.id, name: 'Policy F2') }
+    let_it_be(:rule_f3) { rules.create!(policy_id: policy_f2.id, oncall_schedule_id: schedule_f2.id, status: 1, elapsed_time_seconds: 10) }
+
+    it 'backfills escalation policies correctly' do
+      expect { migrate! }
+        .to change(policies, :count).by(2)
+        .and change(rules, :count).by(3)
+
+      new_policy_b1, new_policy_c1 = new_polices = policies.last(2)
+      new_rules = rules.last(3)
+
+      expect(new_polices).to all have_attributes(name: 'On-call Escalation Policy')
+      expect(new_policy_b1.description).to eq('Immediately notify Schedule B1')
+      expect(new_policy_c1.description).to eq('Immediately notify Schedule C1')
+      expect(policies.pluck(:project_id)).to eq([
+        project_d.id,
+        project_e.id,
+        project_f.id,
+        project_f.id,
+        project_b.id,
+        project_c.id
+      ])
+
+      expect(new_rules).to all have_attributes(status: 1, elapsed_time_seconds: 0)
+      expect(rules.pluck(:policy_id)).to eq([
+        rule_d1.policy_id,
+        rule_e1.policy_id,
+        rule_f1.policy_id,
+        rule_f2.policy_id,
+        rule_f3.policy_id,
+        new_policy_b1.id,
+        new_policy_c1.id,
+        new_policy_c1.id
+      ])
+      expect(rules.pluck(:oncall_schedule_id)).to eq([
+        rule_d1.oncall_schedule_id,
+        rule_e1.oncall_schedule_id,
+        rule_f1.oncall_schedule_id,
+        rule_f2.oncall_schedule_id,
+        rule_f3.oncall_schedule_id,
+        schedule_b1.id,
+        schedule_c1.id,
+        schedule_c2.id
+      ])
+    end
+  end
+
+  context 'with no schedules' do
+    it 'does nothing' do
+      expect { migrate! }
+        .to not_change(policies, :count)
+        .and not_change(rules, :count)
+    end
+  end
+end
diff --git a/spec/migrations/backfill_imported_snippet_repositories_spec.rb b/spec/migrations/backfill_imported_snippet_repositories_spec.rb
index 356551f176e..7052433c66d 100644
--- a/spec/migrations/backfill_imported_snippet_repositories_spec.rb
+++ b/spec/migrations/backfill_imported_snippet_repositories_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200608072931_backfill_imported_snippet_repositories.rb')
+require_migration!
 
 RSpec.describe BackfillImportedSnippetRepositories do
   let(:users) { table(:users) }
diff --git a/spec/migrations/backfill_operations_feature_flags_active_spec.rb b/spec/migrations/backfill_operations_feature_flags_active_spec.rb
index e49b317d850..a28f648c75a 100644
--- a/spec/migrations/backfill_operations_feature_flags_active_spec.rb
+++ b/spec/migrations/backfill_operations_feature_flags_active_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20191213184609_backfill_operations_feature_flags_active.rb')
+require_migration!
 
 RSpec.describe BackfillOperationsFeatureFlagsActive do
   let(:namespaces)   { table(:namespaces) }
diff --git a/spec/migrations/backfill_operations_feature_flags_iid_spec.rb b/spec/migrations/backfill_operations_feature_flags_iid_spec.rb
index 1ade08f657e..3c400840f98 100644
--- a/spec/migrations/backfill_operations_feature_flags_iid_spec.rb
+++ b/spec/migrations/backfill_operations_feature_flags_iid_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200117194850_backfill_operations_feature_flags_iid.rb')
+require_migration!
 
 RSpec.describe BackfillOperationsFeatureFlagsIid do
   let(:namespaces)   { table(:namespaces) }
diff --git a/spec/migrations/backfill_releases_table_updated_at_and_add_not_null_constraints_to_timestamps_spec.rb b/spec/migrations/backfill_releases_table_updated_at_and_add_not_null_constraints_to_timestamps_spec.rb
index 22c93d37816..6e8bcfc050d 100644
--- a/spec/migrations/backfill_releases_table_updated_at_and_add_not_null_constraints_to_timestamps_spec.rb
+++ b/spec/migrations/backfill_releases_table_updated_at_and_add_not_null_constraints_to_timestamps_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20190920194925_backfill_releases_table_updated_at_and_add_not_null_constraints_to_timestamps.rb')
+require_migration!
 
 RSpec.describe BackfillReleasesTableUpdatedAtAndAddNotNullConstraintsToTimestamps do
   let(:releases)   { table(:releases) }
diff --git a/spec/migrations/backfill_snippet_repositories_spec.rb b/spec/migrations/backfill_snippet_repositories_spec.rb
index b176b8d49ec..64cfc9cc57b 100644
--- a/spec/migrations/backfill_snippet_repositories_spec.rb
+++ b/spec/migrations/backfill_snippet_repositories_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200420094444_backfill_snippet_repositories.rb')
+require_migration!
 
 RSpec.describe BackfillSnippetRepositories do
   let(:users) { table(:users) }
diff --git a/spec/migrations/backfill_status_page_published_incidents_spec.rb b/spec/migrations/backfill_status_page_published_incidents_spec.rb
index 674484cdf0a..fa4bb182362 100644
--- a/spec/migrations/backfill_status_page_published_incidents_spec.rb
+++ b/spec/migrations/backfill_status_page_published_incidents_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200421195234_backfill_status_page_published_incidents.rb')
+require_migration!
 
 RSpec.describe BackfillStatusPagePublishedIncidents, :migration do
   subject(:migration) { described_class.new }
diff --git a/spec/migrations/backport_enterprise_schema_spec.rb b/spec/migrations/backport_enterprise_schema_spec.rb
index b76b53dc259..de6821001b4 100644
--- a/spec/migrations/backport_enterprise_schema_spec.rb
+++ b/spec/migrations/backport_enterprise_schema_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'migrate', '20190402150158_backport_enterprise_schema.rb')
+require_migration!
 
 RSpec.describe BackportEnterpriseSchema, schema: 20190329085614 do
   include MigrationsHelpers
diff --git a/spec/migrations/cap_designs_filename_length_to_new_limit_spec.rb b/spec/migrations/cap_designs_filename_length_to_new_limit_spec.rb
index 382ce2e1da4..702f2e6d9bd 100644
--- a/spec/migrations/cap_designs_filename_length_to_new_limit_spec.rb
+++ b/spec/migrations/cap_designs_filename_length_to_new_limit_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200602013901_cap_designs_filename_length_to_new_limit')
+require_migration!
 
 RSpec.describe CapDesignsFilenameLengthToNewLimit, :migration, schema: 20200528125905 do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/change_outbound_local_requests_whitelist_default_spec.rb b/spec/migrations/change_outbound_local_requests_whitelist_default_spec.rb
index 53b02425010..24e6f3480f9 100644
--- a/spec/migrations/change_outbound_local_requests_whitelist_default_spec.rb
+++ b/spec/migrations/change_outbound_local_requests_whitelist_default_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20190725012225_change_outbound_local_requests_whitelist_default.rb')
+require_migration!
 
 RSpec.describe ChangeOutboundLocalRequestsWhitelistDefault do
   let(:application_settings) { table(:application_settings) }
diff --git a/spec/migrations/change_packages_size_defaults_in_project_statistics_spec.rb b/spec/migrations/change_packages_size_defaults_in_project_statistics_spec.rb
index 8614bfea7cb..5e3118b0dea 100644
--- a/spec/migrations/change_packages_size_defaults_in_project_statistics_spec.rb
+++ b/spec/migrations/change_packages_size_defaults_in_project_statistics_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20190516155724_change_packages_size_defaults_in_project_statistics.rb')
+require_migration!
 
 RSpec.describe ChangePackagesSizeDefaultsInProjectStatistics do
   let(:project_statistics) { table(:project_statistics) }
diff --git a/spec/migrations/change_web_hook_events_default_spec.rb b/spec/migrations/change_web_hook_events_default_spec.rb
index 3b1a65ece17..aad187187d0 100644
--- a/spec/migrations/change_web_hook_events_default_spec.rb
+++ b/spec/migrations/change_web_hook_events_default_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20210420012444_change_web_hook_events_default.rb')
+require_migration!
 
 RSpec.describe ChangeWebHookEventsDefault do
   let(:web_hooks) { table(:web_hooks) }
diff --git a/spec/migrations/clean_grafana_url_spec.rb b/spec/migrations/clean_grafana_url_spec.rb
index caaf44b884d..7a81eb3058b 100644
--- a/spec/migrations/clean_grafana_url_spec.rb
+++ b/spec/migrations/clean_grafana_url_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200214085940_clean_grafana_url.rb')
+require_migration!
 
 RSpec.describe CleanGrafanaUrl do
   let(:application_settings_table) { table(:application_settings) }
diff --git a/spec/migrations/clean_up_noteable_id_for_notes_on_commits_spec.rb b/spec/migrations/clean_up_noteable_id_for_notes_on_commits_spec.rb
index 268fadee0af..8de30af13fd 100644
--- a/spec/migrations/clean_up_noteable_id_for_notes_on_commits_spec.rb
+++ b/spec/migrations/clean_up_noteable_id_for_notes_on_commits_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190313092516_clean_up_noteable_id_for_notes_on_commits.rb')
+require_migration!
 
 RSpec.describe CleanUpNoteableIdForNotesOnCommits do
   let(:notes) { table(:notes) }
diff --git a/spec/migrations/clean_up_pending_builds_table_spec.rb b/spec/migrations/clean_up_pending_builds_table_spec.rb
new file mode 100644
index 00000000000..9c8d4413337
--- /dev/null
+++ b/spec/migrations/clean_up_pending_builds_table_spec.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe CleanUpPendingBuildsTable do
+  let(:namespaces) { table(:namespaces) }
+  let(:projects) { table(:projects) }
+  let(:queue) { table(:ci_pending_builds) }
+  let(:builds) { table(:ci_builds) }
+
+  before do
+    namespaces.create!(id: 123, name: 'sample', path: 'sample')
+    projects.create!(id: 123, name: 'sample', path: 'sample', namespace_id: 123)
+
+    builds.create!(id: 1, project_id: 123, status: 'pending', type: 'Ci::Build')
+    builds.create!(id: 2, project_id: 123, status: 'pending', type: 'GenericCommitStatus')
+    builds.create!(id: 3, project_id: 123, status: 'success', type: 'Ci::Bridge')
+    builds.create!(id: 4, project_id: 123, status: 'success', type: 'Ci::Build')
+    builds.create!(id: 5, project_id: 123, status: 'running', type: 'Ci::Build')
+    builds.create!(id: 6, project_id: 123, status: 'created', type: 'Ci::Build')
+
+    queue.create!(id: 1, project_id: 123, build_id: 1)
+    queue.create!(id: 2, project_id: 123, build_id: 4)
+    queue.create!(id: 3, project_id: 123, build_id: 5)
+  end
+
+  it 'removes duplicated data from pending builds table' do
+    migrate!
+
+    expect(queue.all.count).to eq 1
+    expect(queue.first.id).to eq 1
+    expect(builds.all.count).to eq 6
+  end
+
+  context 'when there are multiple batches' do
+    before do
+      stub_const("#{described_class}::BATCH_SIZE", 1)
+    end
+
+    it 'iterates the data correctly' do
+      migrate!
+
+      expect(queue.all.count).to eq 1
+    end
+  end
+end
diff --git a/spec/migrations/cleanup_empty_commit_user_mentions_spec.rb b/spec/migrations/cleanup_empty_commit_user_mentions_spec.rb
index da714e7da4c..d128c13e212 100644
--- a/spec/migrations/cleanup_empty_commit_user_mentions_spec.rb
+++ b/spec/migrations/cleanup_empty_commit_user_mentions_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200128133510_cleanup_empty_commit_user_mentions')
+require_migration!
 
 RSpec.describe CleanupEmptyCommitUserMentions, :migration, :sidekiq do
   let(:users) { table(:users) }
diff --git a/spec/migrations/cleanup_group_import_states_with_null_user_id_spec.rb b/spec/migrations/cleanup_group_import_states_with_null_user_id_spec.rb
index f9285c857de..acd6a19779d 100644
--- a/spec/migrations/cleanup_group_import_states_with_null_user_id_spec.rb
+++ b/spec/migrations/cleanup_group_import_states_with_null_user_id_spec.rb
@@ -12,8 +12,8 @@
 # To solve this problem, use SchemaVersionFinder to set schema one version prior to AddNotNullConstraintToUserOnGroupImportStates
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200907092715_add_not_null_constraint_to_user_on_group_import_states.rb')
-require Rails.root.join('db', 'post_migrate', '20200909161624_cleanup_group_import_states_with_null_user_id.rb')
+require_migration!('add_not_null_constraint_to_user_on_group_import_states')
+require_migration!
 
 RSpec.describe CleanupGroupImportStatesWithNullUserId, :migration,
                schema: MigrationHelpers::SchemaVersionFinder.migration_prior(AddNotNullConstraintToUserOnGroupImportStates) do
diff --git a/spec/migrations/cleanup_legacy_artifact_migration_spec.rb b/spec/migrations/cleanup_legacy_artifact_migration_spec.rb
index 83b88a0cf1a..6362965cc31 100644
--- a/spec/migrations/cleanup_legacy_artifact_migration_spec.rb
+++ b/spec/migrations/cleanup_legacy_artifact_migration_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20190104182041_cleanup_legacy_artifact_migration.rb')
+require_migration!('cleanup_legacy_artifact_migration')
 
 RSpec.describe CleanupLegacyArtifactMigration, :redis do
   let(:migration) { spy('migration') }
diff --git a/spec/migrations/cleanup_move_container_registry_enabled_to_project_features_spec.rb b/spec/migrations/cleanup_move_container_registry_enabled_to_project_features_spec.rb
new file mode 100644
index 00000000000..3c39327304e
--- /dev/null
+++ b/spec/migrations/cleanup_move_container_registry_enabled_to_project_features_spec.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!('cleanup_move_container_registry_enabled_to_project_feature')
+
+RSpec.describe CleanupMoveContainerRegistryEnabledToProjectFeature, :migration do
+  let(:namespace) { table(:namespaces).create!(name: 'gitlab', path: 'gitlab-org') }
+  let(:non_null_project_features) { { pages_access_level: 20 } }
+  let(:bg_class_name) { 'MoveContainerRegistryEnabledToProjectFeature' }
+
+  let!(:project1) { table(:projects).create!(namespace_id: namespace.id, name: 'project 1', container_registry_enabled: true) }
+  let!(:project2) { table(:projects).create!(namespace_id: namespace.id, name: 'project 2', container_registry_enabled: false) }
+  let!(:project3) { table(:projects).create!(namespace_id: namespace.id, name: 'project 3', container_registry_enabled: nil) }
+
+  let!(:project4) { table(:projects).create!(namespace_id: namespace.id, name: 'project 4', container_registry_enabled: true) }
+  let!(:project5) { table(:projects).create!(namespace_id: namespace.id, name: 'project 5', container_registry_enabled: false) }
+  let!(:project6) { table(:projects).create!(namespace_id: namespace.id, name: 'project 6', container_registry_enabled: nil) }
+
+  let!(:project_feature1) { table(:project_features).create!(project_id: project1.id, container_registry_access_level: 20, **non_null_project_features) }
+  let!(:project_feature2) { table(:project_features).create!(project_id: project2.id, container_registry_access_level: 0, **non_null_project_features) }
+  let!(:project_feature3) { table(:project_features).create!(project_id: project3.id, container_registry_access_level: 0, **non_null_project_features) }
+
+  let!(:project_feature4) { table(:project_features).create!(project_id: project4.id, container_registry_access_level: 0, **non_null_project_features) }
+  let!(:project_feature5) { table(:project_features).create!(project_id: project5.id, container_registry_access_level: 20, **non_null_project_features) }
+  let!(:project_feature6) { table(:project_features).create!(project_id: project6.id, container_registry_access_level: 20, **non_null_project_features) }
+
+  let!(:background_migration_job1) { table(:background_migration_jobs).create!(class_name: bg_class_name, arguments: [project4.id, project5.id], status: 0) }
+  let!(:background_migration_job2) { table(:background_migration_jobs).create!(class_name: bg_class_name, arguments: [project6.id, project6.id], status: 0) }
+  let!(:background_migration_job3) { table(:background_migration_jobs).create!(class_name: bg_class_name, arguments: [project1.id, project3.id], status: 1) }
+
+  it 'steals remaining jobs, updates any remaining rows and deletes background_migration_jobs rows' do
+    expect(Gitlab::BackgroundMigration).to receive(:steal).with(bg_class_name).and_call_original
+
+    migrate!
+
+    expect(project_feature1.reload.container_registry_access_level).to eq(20)
+    expect(project_feature2.reload.container_registry_access_level).to eq(0)
+    expect(project_feature3.reload.container_registry_access_level).to eq(0)
+    expect(project_feature4.reload.container_registry_access_level).to eq(20)
+    expect(project_feature5.reload.container_registry_access_level).to eq(0)
+    expect(project_feature6.reload.container_registry_access_level).to eq(0)
+
+    expect(table(:background_migration_jobs).where(class_name: bg_class_name).count).to eq(0)
+  end
+end
diff --git a/spec/migrations/cleanup_optimistic_locking_nulls_pt2_fixed_spec.rb b/spec/migrations/cleanup_optimistic_locking_nulls_pt2_fixed_spec.rb
index 7c7f87d4e06..2f461ebc1d5 100644
--- a/spec/migrations/cleanup_optimistic_locking_nulls_pt2_fixed_spec.rb
+++ b/spec/migrations/cleanup_optimistic_locking_nulls_pt2_fixed_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200427064130_cleanup_optimistic_locking_nulls_pt2_fixed.rb')
+require_migration!('cleanup_optimistic_locking_nulls_pt2_fixed')
 
 RSpec.describe CleanupOptimisticLockingNullsPt2Fixed, :migration, schema: 20200219193117 do
   test_tables = %w(ci_stages ci_builds ci_pipelines).freeze
diff --git a/spec/migrations/cleanup_optimistic_locking_nulls_spec.rb b/spec/migrations/cleanup_optimistic_locking_nulls_spec.rb
index bcdcd3e9273..a287d950c89 100644
--- a/spec/migrations/cleanup_optimistic_locking_nulls_spec.rb
+++ b/spec/migrations/cleanup_optimistic_locking_nulls_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200128210353_cleanup_optimistic_locking_nulls')
+require_migration!('cleanup_optimistic_locking_nulls')
 
 RSpec.describe CleanupOptimisticLockingNulls do
   let(:epics) { table(:epics) }
diff --git a/spec/migrations/cleanup_projects_with_missing_namespace_spec.rb b/spec/migrations/cleanup_projects_with_missing_namespace_spec.rb
index a50e98faf48..c640bfcd174 100644
--- a/spec/migrations/cleanup_projects_with_missing_namespace_spec.rb
+++ b/spec/migrations/cleanup_projects_with_missing_namespace_spec.rb
@@ -2,8 +2,8 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20200511080113_add_projects_foreign_key_to_namespaces.rb')
-require Rails.root.join('db', 'post_migrate', '20200511083541_cleanup_projects_with_missing_namespace.rb')
+require_migration!('add_projects_foreign_key_to_namespaces')
+require_migration!
 
 # In order to test the CleanupProjectsWithMissingNamespace migration, we need
 #  to first create an orphaned project (one with an invalid namespace_id)
diff --git a/spec/migrations/complete_namespace_settings_migration_spec.rb b/spec/migrations/complete_namespace_settings_migration_spec.rb
index 7820536f355..46c455d8b19 100644
--- a/spec/migrations/complete_namespace_settings_migration_spec.rb
+++ b/spec/migrations/complete_namespace_settings_migration_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200907124300_complete_namespace_settings_migration.rb')
+require_migration!
 
 RSpec.describe CompleteNamespaceSettingsMigration, :redis do
   let(:migration) { spy('migration') }
diff --git a/spec/migrations/confirm_project_bot_users_spec.rb b/spec/migrations/confirm_project_bot_users_spec.rb
index 11aa08d16a9..5f70181e70a 100644
--- a/spec/migrations/confirm_project_bot_users_spec.rb
+++ b/spec/migrations/confirm_project_bot_users_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200713071042_confirm_project_bot_users.rb')
+require_migration!
 
 RSpec.describe ConfirmProjectBotUsers, :migration do
   let(:users) { table(:users) }
diff --git a/spec/migrations/create_environment_for_self_monitoring_project_spec.rb b/spec/migrations/create_environment_for_self_monitoring_project_spec.rb
index 1ba464f1610..4615c231510 100644
--- a/spec/migrations/create_environment_for_self_monitoring_project_spec.rb
+++ b/spec/migrations/create_environment_for_self_monitoring_project_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200214214934_create_environment_for_self_monitoring_project')
+require_migration!
 
 RSpec.describe CreateEnvironmentForSelfMonitoringProject do
   let(:application_settings_table) { table(:application_settings) }
diff --git a/spec/migrations/deduplicate_epic_iids_spec.rb b/spec/migrations/deduplicate_epic_iids_spec.rb
index 8afb8b06948..c9dd5b3253b 100644
--- a/spec/migrations/deduplicate_epic_iids_spec.rb
+++ b/spec/migrations/deduplicate_epic_iids_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201106134950_deduplicate_epic_iids.rb')
+require_migration!
 
 RSpec.describe DeduplicateEpicIids, :migration, schema: 20201106082723 do
   let(:routes) { table(:routes) }
diff --git a/spec/migrations/delete_internal_ids_where_feature_flags_usage_spec.rb b/spec/migrations/delete_internal_ids_where_feature_flags_usage_spec.rb
index 50b5897220a..30d776c498b 100644
--- a/spec/migrations/delete_internal_ids_where_feature_flags_usage_spec.rb
+++ b/spec/migrations/delete_internal_ids_where_feature_flags_usage_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200117194900_delete_internal_ids_where_feature_flags_usage')
+require_migration!
 
 RSpec.describe DeleteInternalIdsWhereFeatureFlagsUsage do
   let(:namespaces)   { table(:namespaces) }
diff --git a/spec/migrations/delete_template_project_services_spec.rb b/spec/migrations/delete_template_project_services_spec.rb
index aacc4fcfd58..20532e4187a 100644
--- a/spec/migrations/delete_template_project_services_spec.rb
+++ b/spec/migrations/delete_template_project_services_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200305151736_delete_template_project_services.rb')
+require_migration!
 
 RSpec.describe DeleteTemplateProjectServices, :migration do
   let(:services) { table(:services) }
diff --git a/spec/migrations/delete_template_services_duplicated_by_type_spec.rb b/spec/migrations/delete_template_services_duplicated_by_type_spec.rb
index 5bcbfb7c733..b5a29436159 100644
--- a/spec/migrations/delete_template_services_duplicated_by_type_spec.rb
+++ b/spec/migrations/delete_template_services_duplicated_by_type_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200304160801_delete_template_services_duplicated_by_type.rb')
+require_migration!
 
 RSpec.describe DeleteTemplateServicesDuplicatedByType do
   let(:services) { table(:services) }
diff --git a/spec/migrations/delete_user_callout_alerts_moved_spec.rb b/spec/migrations/delete_user_callout_alerts_moved_spec.rb
index f6b1a8982fb..401cf77628d 100644
--- a/spec/migrations/delete_user_callout_alerts_moved_spec.rb
+++ b/spec/migrations/delete_user_callout_alerts_moved_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200710102418_delete_user_callout_alerts_moved.rb')
+require_migration!
 
 RSpec.describe DeleteUserCalloutAlertsMoved do
   let(:users) { table(:users) }
diff --git a/spec/migrations/disable_expiration_policies_linked_to_no_container_images_spec.rb b/spec/migrations/disable_expiration_policies_linked_to_no_container_images_spec.rb
new file mode 100644
index 00000000000..f2be06f1ed6
--- /dev/null
+++ b/spec/migrations/disable_expiration_policies_linked_to_no_container_images_spec.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+require_migration!
+
+RSpec.describe DisableExpirationPoliciesLinkedToNoContainerImages do
+  let(:projects) { table(:projects) }
+  let(:container_expiration_policies) { table(:container_expiration_policies) }
+  let(:container_repositories) { table(:container_repositories) }
+  let(:namespaces) { table(:namespaces) }
+
+  let!(:namespace) { namespaces.create!(name: 'test', path: 'test') }
+  let!(:project) { projects.create!(id: 1, namespace_id: namespace.id, name: 'gitlab1') }
+  let!(:container_expiration_policy) { container_expiration_policies.create!(project_id: project.id, enabled: true) }
+
+  before do
+    projects.create!(id: 2, namespace_id: namespace.id, name: 'gitlab2')
+    container_expiration_policies.create!(project_id: 2, enabled: true)
+    container_repositories.create!(id: 1, project_id: 2, name: 'image2')
+
+    projects.create!(id: 3, namespace_id: namespace.id, name: 'gitlab3')
+    container_expiration_policies.create!(project_id: 3, enabled: false)
+    container_repositories.create!(id: 2, project_id: 3, name: 'image3')
+  end
+
+  it 'correctly disable expiration policies linked to no container images' do
+    expect(enabled_policies.count).to eq 2
+    expect(disabled_policies.count).to eq 1
+    expect(container_expiration_policy.enabled).to eq true
+
+    migrate!
+
+    expect(enabled_policies.count).to eq 1
+    expect(disabled_policies.count).to eq 2
+    expect(container_expiration_policy.reload.enabled).to eq false
+  end
+
+  def enabled_policies
+    container_expiration_policies.where(enabled: true)
+  end
+
+  def disabled_policies
+    container_expiration_policies.where(enabled: false)
+  end
+end
diff --git a/spec/migrations/drop_activate_prometheus_services_background_jobs_spec.rb b/spec/migrations/drop_activate_prometheus_services_background_jobs_spec.rb
index b4bbadd199e..c6115d5889c 100644
--- a/spec/migrations/drop_activate_prometheus_services_background_jobs_spec.rb
+++ b/spec/migrations/drop_activate_prometheus_services_background_jobs_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200221144534_drop_activate_prometheus_services_background_jobs.rb')
+require_migration!
 
 RSpec.describe DropActivatePrometheusServicesBackgroundJobs, :sidekiq, :redis, schema: 2020_02_21_144534 do
   subject(:migration) { described_class.new }
diff --git a/spec/migrations/drop_alerts_service_data_spec.rb b/spec/migrations/drop_alerts_service_data_spec.rb
index b2128da938f..06382132952 100644
--- a/spec/migrations/drop_alerts_service_data_spec.rb
+++ b/spec/migrations/drop_alerts_service_data_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210205213933_drop_alerts_service_data.rb')
+require_migration!
 
 RSpec.describe DropAlertsServiceData do
   let_it_be(:alerts_service_data) { table(:alerts_service_data) }
diff --git a/spec/migrations/drop_background_migration_jobs_spec.rb b/spec/migrations/drop_background_migration_jobs_spec.rb
index 2896f4ca0eb..82b3f9f7187 100644
--- a/spec/migrations/drop_background_migration_jobs_spec.rb
+++ b/spec/migrations/drop_background_migration_jobs_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200116051619_drop_background_migration_jobs.rb')
+require_migration!
 
 RSpec.describe DropBackgroundMigrationJobs, :sidekiq, :redis, schema: 2020_01_16_051619 do
   subject(:migration) { described_class.new }
diff --git a/spec/migrations/drop_project_ci_cd_settings_merge_trains_enabled_spec.rb b/spec/migrations/drop_project_ci_cd_settings_merge_trains_enabled_spec.rb
index 3f6aae401be..3093cd85ced 100644
--- a/spec/migrations/drop_project_ci_cd_settings_merge_trains_enabled_spec.rb
+++ b/spec/migrations/drop_project_ci_cd_settings_merge_trains_enabled_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20191128162854_drop_project_ci_cd_settings_merge_trains_enabled.rb')
+require_migration!
 
 RSpec.describe DropProjectCiCdSettingsMergeTrainsEnabled do
   let!(:project_ci_cd_setting) { table(:project_ci_cd_settings) }
diff --git a/spec/migrations/encrypt_feature_flags_clients_tokens_spec.rb b/spec/migrations/encrypt_feature_flags_clients_tokens_spec.rb
index c705515ce98..62bd0dafb8e 100644
--- a/spec/migrations/encrypt_feature_flags_clients_tokens_spec.rb
+++ b/spec/migrations/encrypt_feature_flags_clients_tokens_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190606175050_encrypt_feature_flags_clients_tokens.rb')
+require_migration!
 
 RSpec.describe EncryptFeatureFlagsClientsTokens do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/encrypt_plaintext_attributes_on_application_settings_spec.rb b/spec/migrations/encrypt_plaintext_attributes_on_application_settings_spec.rb
index 7cd3646d107..2e233816b8b 100644
--- a/spec/migrations/encrypt_plaintext_attributes_on_application_settings_spec.rb
+++ b/spec/migrations/encrypt_plaintext_attributes_on_application_settings_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20191120115530_encrypt_plaintext_attributes_on_application_settings.rb')
+require_migration!
 
 RSpec.describe EncryptPlaintextAttributesOnApplicationSettings do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/enqueue_reset_merge_status_second_run_spec.rb b/spec/migrations/enqueue_reset_merge_status_second_run_spec.rb
index 2bbc67c4db3..49698f60964 100644
--- a/spec/migrations/enqueue_reset_merge_status_second_run_spec.rb
+++ b/spec/migrations/enqueue_reset_merge_status_second_run_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190620112608_enqueue_reset_merge_status_second_run.rb')
+require_migration!
 
 RSpec.describe EnqueueResetMergeStatusSecondRun do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/enqueue_reset_merge_status_spec.rb b/spec/migrations/enqueue_reset_merge_status_spec.rb
index 0843bbacd5f..d62c99b80bc 100644
--- a/spec/migrations/enqueue_reset_merge_status_spec.rb
+++ b/spec/migrations/enqueue_reset_merge_status_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190528180441_enqueue_reset_merge_status.rb')
+require_migration!
 
 RSpec.describe EnqueueResetMergeStatus do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/ensure_filled_external_diff_store_on_merge_request_diffs_spec.rb b/spec/migrations/ensure_filled_external_diff_store_on_merge_request_diffs_spec.rb
index 808580d5770..6998e7a91cf 100644
--- a/spec/migrations/ensure_filled_external_diff_store_on_merge_request_diffs_spec.rb
+++ b/spec/migrations/ensure_filled_external_diff_store_on_merge_request_diffs_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200910170908_ensure_filled_external_diff_store_on_merge_request_diffs.rb')
+require_migration!
 
 RSpec.describe EnsureFilledExternalDiffStoreOnMergeRequestDiffs, schema: 20200908095446 do
   let!(:merge_request_diffs) { table(:merge_request_diffs) }
diff --git a/spec/migrations/ensure_filled_file_store_on_package_files_spec.rb b/spec/migrations/ensure_filled_file_store_on_package_files_spec.rb
index 8a0f51ab27e..5cfc3a6eeb8 100644
--- a/spec/migrations/ensure_filled_file_store_on_package_files_spec.rb
+++ b/spec/migrations/ensure_filled_file_store_on_package_files_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200915185707_ensure_filled_file_store_on_package_files.rb')
+require_migration!
 
 RSpec.describe EnsureFilledFileStoreOnPackageFiles, schema: 20200910175553 do
   let!(:packages_package_files) { table(:packages_package_files) }
diff --git a/spec/migrations/ensure_namespace_settings_creation_spec.rb b/spec/migrations/ensure_namespace_settings_creation_spec.rb
index cececc1e569..b105e678d35 100644
--- a/spec/migrations/ensure_namespace_settings_creation_spec.rb
+++ b/spec/migrations/ensure_namespace_settings_creation_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201104124300_ensure_namespace_settings_creation.rb')
+require_migration!
 
 RSpec.describe EnsureNamespaceSettingsCreation do
   context 'when there are namespaces without namespace settings' do
diff --git a/spec/migrations/ensure_target_project_id_is_filled_spec.rb b/spec/migrations/ensure_target_project_id_is_filled_spec.rb
index 72d59a72814..7a9f49390fb 100644
--- a/spec/migrations/ensure_target_project_id_is_filled_spec.rb
+++ b/spec/migrations/ensure_target_project_id_is_filled_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200831065705_ensure_target_project_id_is_filled.rb')
+require_migration!
 
 RSpec.describe EnsureTargetProjectIdIsFilled, schema: 20200827085101 do
   let_it_be(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/ensure_u2f_registrations_migrated_spec.rb b/spec/migrations/ensure_u2f_registrations_migrated_spec.rb
index 77eab3b829a..01db29c0edf 100644
--- a/spec/migrations/ensure_u2f_registrations_migrated_spec.rb
+++ b/spec/migrations/ensure_u2f_registrations_migrated_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201026185514_ensure_u2f_registrations_migrated.rb')
+require_migration!
 
 RSpec.describe EnsureU2fRegistrationsMigrated, schema: 20201022144501 do
   let(:u2f_registrations) { table(:u2f_registrations) }
diff --git a/spec/migrations/fill_file_store_ci_job_artifacts_spec.rb b/spec/migrations/fill_file_store_ci_job_artifacts_spec.rb
index 64ab879d53c..7adcf74bdba 100644
--- a/spec/migrations/fill_file_store_ci_job_artifacts_spec.rb
+++ b/spec/migrations/fill_file_store_ci_job_artifacts_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200513235532_fill_file_store_ci_job_artifacts.rb')
+require_migration!
 
 RSpec.describe FillFileStoreCiJobArtifacts do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/fill_file_store_lfs_objects_spec.rb b/spec/migrations/fill_file_store_lfs_objects_spec.rb
index 23063cc9cd0..688976f79e8 100644
--- a/spec/migrations/fill_file_store_lfs_objects_spec.rb
+++ b/spec/migrations/fill_file_store_lfs_objects_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200513234502_fill_file_store_lfs_objects.rb')
+require_migration!
 
 RSpec.describe FillFileStoreLfsObjects do
   let(:lfs_objects) { table(:lfs_objects) }
diff --git a/spec/migrations/fill_productivity_analytics_start_date_spec.rb b/spec/migrations/fill_productivity_analytics_start_date_spec.rb
index 5d7f0ffba50..b348067a752 100644
--- a/spec/migrations/fill_productivity_analytics_start_date_spec.rb
+++ b/spec/migrations/fill_productivity_analytics_start_date_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20191004081520_fill_productivity_analytics_start_date.rb')
+require_migration!
 
 RSpec.describe FillProductivityAnalyticsStartDate do
   let(:settings_table) { table('application_settings') }
diff --git a/spec/migrations/fill_store_uploads_spec.rb b/spec/migrations/fill_store_uploads_spec.rb
index bcb5d45e1c0..19db7c2b48d 100644
--- a/spec/migrations/fill_store_uploads_spec.rb
+++ b/spec/migrations/fill_store_uploads_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200513235347_fill_store_uploads.rb')
+require_migration!
 
 RSpec.describe FillStoreUploads do
   let(:uploads) { table(:uploads) }
diff --git a/spec/migrations/fix_max_pages_size_spec.rb b/spec/migrations/fix_max_pages_size_spec.rb
index b44ce21b858..97cf026df5c 100644
--- a/spec/migrations/fix_max_pages_size_spec.rb
+++ b/spec/migrations/fix_max_pages_size_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20191213120427_fix_max_pages_size.rb')
+require_migration!
 
 RSpec.describe FixMaxPagesSize do
   let(:application_settings) { table(:application_settings) }
diff --git a/spec/migrations/fix_null_type_labels_spec.rb b/spec/migrations/fix_null_type_labels_spec.rb
index b3fc0e30687..4f902b92393 100644
--- a/spec/migrations/fix_null_type_labels_spec.rb
+++ b/spec/migrations/fix_null_type_labels_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190131122559_fix_null_type_labels')
+require_migration!
 
 RSpec.describe FixNullTypeLabels do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/fix_pool_repository_source_project_id_spec.rb b/spec/migrations/fix_pool_repository_source_project_id_spec.rb
index 3413cef3c8b..2ee4c458c3c 100644
--- a/spec/migrations/fix_pool_repository_source_project_id_spec.rb
+++ b/spec/migrations/fix_pool_repository_source_project_id_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20190604184643_fix_pool_repository_source_project_id.rb')
+require_migration!
 
 RSpec.describe FixPoolRepositorySourceProjectId do
   let(:projects) { table(:projects) }
diff --git a/spec/migrations/fix_projects_without_project_feature_spec.rb b/spec/migrations/fix_projects_without_project_feature_spec.rb
index 696c9e86384..d8c5e7a28c0 100644
--- a/spec/migrations/fix_projects_without_project_feature_spec.rb
+++ b/spec/migrations/fix_projects_without_project_feature_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200127111840_fix_projects_without_project_feature.rb')
+require_migration!
 
 RSpec.describe FixProjectsWithoutProjectFeature do
   let(:namespace) { table(:namespaces).create!(name: 'gitlab', path: 'gitlab-org') }
diff --git a/spec/migrations/fix_projects_without_prometheus_services_spec.rb b/spec/migrations/fix_projects_without_prometheus_services_spec.rb
index 987350847ca..dc03f381abd 100644
--- a/spec/migrations/fix_projects_without_prometheus_services_spec.rb
+++ b/spec/migrations/fix_projects_without_prometheus_services_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 #
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200220115023_fix_projects_without_prometheus_service.rb')
+require_migration!('fix_projects_without_prometheus_service')
 
 RSpec.describe FixProjectsWithoutPrometheusService, :migration do
   let(:namespace) { table(:namespaces).create!(name: 'gitlab', path: 'gitlab-org') }
diff --git a/spec/migrations/fix_wrong_pages_access_level_spec.rb b/spec/migrations/fix_wrong_pages_access_level_spec.rb
index 310076f2e0a..00a620b4426 100644
--- a/spec/migrations/fix_wrong_pages_access_level_spec.rb
+++ b/spec/migrations/fix_wrong_pages_access_level_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190703185326_fix_wrong_pages_access_level.rb')
+require_migration!
 
 RSpec.describe FixWrongPagesAccessLevel, :sidekiq_might_not_need_inline, schema: 20190628185004 do
   using RSpec::Parameterized::TableSyntax
diff --git a/spec/migrations/generate_ci_jwt_signing_key_spec.rb b/spec/migrations/generate_ci_jwt_signing_key_spec.rb
index 249af3bcb50..7a895284aa1 100644
--- a/spec/migrations/generate_ci_jwt_signing_key_spec.rb
+++ b/spec/migrations/generate_ci_jwt_signing_key_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'migrate', '20201008013434_generate_ci_jwt_signing_key.rb')
+require_migration!
 
 RSpec.describe GenerateCiJwtSigningKey do
   let(:application_settings) do
diff --git a/spec/migrations/generate_lets_encrypt_private_key_spec.rb b/spec/migrations/generate_lets_encrypt_private_key_spec.rb
index cad257c18a0..8525a7bbd1c 100644
--- a/spec/migrations/generate_lets_encrypt_private_key_spec.rb
+++ b/spec/migrations/generate_lets_encrypt_private_key_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20190524062810_generate_lets_encrypt_private_key.rb')
+require_migration!
 
 RSpec.describe GenerateLetsEncryptPrivateKey do
   describe '#up' do
diff --git a/spec/migrations/generate_missing_routes_for_bots_spec.rb b/spec/migrations/generate_missing_routes_for_bots_spec.rb
index 8af22042350..594e51b4410 100644
--- a/spec/migrations/generate_missing_routes_for_bots_spec.rb
+++ b/spec/migrations/generate_missing_routes_for_bots_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20200703064117_generate_missing_routes_for_bots.rb')
+require_migration!
 
 RSpec.describe GenerateMissingRoutesForBots, :migration do
   let(:users) { table(:users) }
diff --git a/spec/migrations/insert_ci_daily_pipeline_schedule_triggers_plan_limits_spec.rb b/spec/migrations/insert_ci_daily_pipeline_schedule_triggers_plan_limits_spec.rb
new file mode 100644
index 00000000000..4b8d3641247
--- /dev/null
+++ b/spec/migrations/insert_ci_daily_pipeline_schedule_triggers_plan_limits_spec.rb
@@ -0,0 +1,73 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require Rails.root.join('db', 'migrate', '20210526190553_insert_ci_daily_pipeline_schedule_triggers_plan_limits.rb')
+
+RSpec.describe InsertCiDailyPipelineScheduleTriggersPlanLimits do
+  let_it_be(:plans) { table(:plans) }
+  let_it_be(:plan_limits) { table(:plan_limits) }
+
+  context 'when on Gitlab.com' do
+    let(:free_plan) { plans.create!(name: 'free') }
+    let(:bronze_plan) { plans.create!(name: 'bronze') }
+    let(:silver_plan) { plans.create!(name: 'silver') }
+    let(:gold_plan) { plans.create!(name: 'gold') }
+
+    before do
+      allow(Gitlab).to receive(:com?).and_return(true)
+
+      plan_limits.create!(plan_id: free_plan.id)
+      plan_limits.create!(plan_id: bronze_plan.id)
+      plan_limits.create!(plan_id: silver_plan.id)
+      plan_limits.create!(plan_id: gold_plan.id)
+    end
+
+    it 'correctly migrates up and down' do
+      reversible_migration do |migration|
+        migration.before -> {
+          expect(plan_limits.pluck(:plan_id, :ci_daily_pipeline_schedule_triggers)).to contain_exactly(
+            [free_plan.id, 0],
+            [bronze_plan.id, 0],
+            [silver_plan.id, 0],
+            [gold_plan.id, 0]
+          )
+        }
+
+        migration.after -> {
+          expect(plan_limits.pluck(:plan_id, :ci_daily_pipeline_schedule_triggers)).to contain_exactly(
+            [free_plan.id, 24],
+            [bronze_plan.id, 288],
+            [silver_plan.id, 288],
+            [gold_plan.id, 288]
+          )
+        }
+      end
+    end
+  end
+
+  context 'when on self hosted' do
+    let(:free_plan) { plans.create!(name: 'free') }
+
+    before do
+      allow(Gitlab).to receive(:com?).and_return(false)
+
+      plan_limits.create!(plan_id: free_plan.id)
+    end
+
+    it 'does nothing' do
+      reversible_migration do |migration|
+        migration.before -> {
+          expect(plan_limits.pluck(:plan_id, :ci_daily_pipeline_schedule_triggers)).to contain_exactly(
+            [free_plan.id, 0]
+          )
+        }
+
+        migration.after -> {
+          expect(plan_limits.pluck(:plan_id, :ci_daily_pipeline_schedule_triggers)).to contain_exactly(
+            [free_plan.id, 0]
+          )
+        }
+      end
+    end
+  end
+end
diff --git a/spec/migrations/insert_daily_invites_plan_limits_spec.rb b/spec/migrations/insert_daily_invites_plan_limits_spec.rb
index 3265efcb0ce..49d41a1039f 100644
--- a/spec/migrations/insert_daily_invites_plan_limits_spec.rb
+++ b/spec/migrations/insert_daily_invites_plan_limits_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20201007033723_insert_daily_invites_plan_limits.rb')
+require_migration!
 
 RSpec.describe InsertDailyInvitesPlanLimits do
   let(:plans) { table(:plans) }
diff --git a/spec/migrations/insert_project_feature_flags_plan_limits_spec.rb b/spec/migrations/insert_project_feature_flags_plan_limits_spec.rb
index 1ad070de1ea..481e987c188 100644
--- a/spec/migrations/insert_project_feature_flags_plan_limits_spec.rb
+++ b/spec/migrations/insert_project_feature_flags_plan_limits_spec.rb
@@ -1,11 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join(
-  'db',
-  'migrate',
-  '20200831222347_insert_project_feature_flags_plan_limits.rb'
-)
+require_migration!
 
 RSpec.describe InsertProjectFeatureFlagsPlanLimits do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/insert_project_hooks_plan_limits_spec.rb b/spec/migrations/insert_project_hooks_plan_limits_spec.rb
index f29d72168bc..365dd679d76 100644
--- a/spec/migrations/insert_project_hooks_plan_limits_spec.rb
+++ b/spec/migrations/insert_project_hooks_plan_limits_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20191216183532_insert_project_hooks_plan_limits.rb')
+require_migration!
 
 RSpec.describe InsertProjectHooksPlanLimits do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/migrate_all_merge_request_user_mentions_to_db_spec.rb b/spec/migrations/migrate_all_merge_request_user_mentions_to_db_spec.rb
index f7789469efb..c2df04bf2d6 100644
--- a/spec/migrations/migrate_all_merge_request_user_mentions_to_db_spec.rb
+++ b/spec/migrations/migrate_all_merge_request_user_mentions_to_db_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200601120434_migrate_all_merge_request_user_mentions_to_db')
+require_migration!
 
 RSpec.describe MigrateAllMergeRequestUserMentionsToDb, :migration do
   let(:users) { table(:users) }
diff --git a/spec/migrations/migrate_auto_dev_ops_domain_to_cluster_domain_spec.rb b/spec/migrations/migrate_auto_dev_ops_domain_to_cluster_domain_spec.rb
index c7c846c7ef3..a836fb4bfb9 100644
--- a/spec/migrations/migrate_auto_dev_ops_domain_to_cluster_domain_spec.rb
+++ b/spec/migrations/migrate_auto_dev_ops_domain_to_cluster_domain_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190204115450_migrate_auto_dev_ops_domain_to_cluster_domain.rb')
+require_migration!
 
 RSpec.describe MigrateAutoDevOpsDomainToClusterDomain do
   include MigrationHelpers::ClusterHelpers
diff --git a/spec/migrations/migrate_bot_type_to_user_type_spec.rb b/spec/migrations/migrate_bot_type_to_user_type_spec.rb
index fcd7f1ebcb8..54cf3450692 100644
--- a/spec/migrations/migrate_bot_type_to_user_type_spec.rb
+++ b/spec/migrations/migrate_bot_type_to_user_type_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'migrate', '20200311074438_migrate_bot_type_to_user_type.rb')
+require_migration!
 
 RSpec.describe MigrateBotTypeToUserType, :migration do
   let(:users) { table(:users) }
diff --git a/spec/migrations/migrate_code_owner_approval_status_to_protected_branches_in_batches_spec.rb b/spec/migrations/migrate_code_owner_approval_status_to_protected_branches_in_batches_spec.rb
index 70304a4deb2..121ff3d6622 100644
--- a/spec/migrations/migrate_code_owner_approval_status_to_protected_branches_in_batches_spec.rb
+++ b/spec/migrations/migrate_code_owner_approval_status_to_protected_branches_in_batches_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190827102026_migrate_code_owner_approval_status_to_protected_branches_in_batches.rb')
+require_migration!
 
 RSpec.describe MigrateCodeOwnerApprovalStatusToProtectedBranchesInBatches do
   let(:namespaces)         { table(:namespaces) }
diff --git a/spec/migrations/migrate_commit_notes_mentions_to_db_spec.rb b/spec/migrations/migrate_commit_notes_mentions_to_db_spec.rb
index eb7fb7d4fc5..aa2aa6297c4 100644
--- a/spec/migrations/migrate_commit_notes_mentions_to_db_spec.rb
+++ b/spec/migrations/migrate_commit_notes_mentions_to_db_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200128134110_migrate_commit_notes_mentions_to_db')
+require_migration!
 
 RSpec.describe MigrateCommitNotesMentionsToDb, :migration, :sidekiq do
   let(:users) { table(:users) }
diff --git a/spec/migrations/migrate_compliance_framework_enum_to_database_framework_record_spec.rb b/spec/migrations/migrate_compliance_framework_enum_to_database_framework_record_spec.rb
index 5c3ca281d49..6a9a75a7019 100644
--- a/spec/migrations/migrate_compliance_framework_enum_to_database_framework_record_spec.rb
+++ b/spec/migrations/migrate_compliance_framework_enum_to_database_framework_record_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201005094331_migrate_compliance_framework_enum_to_database_framework_record.rb')
+require_migration!
 
 RSpec.describe MigrateComplianceFrameworkEnumToDatabaseFrameworkRecord, schema: 20201005092753 do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/migrate_create_commit_signature_worker_sidekiq_queue_spec.rb b/spec/migrations/migrate_create_commit_signature_worker_sidekiq_queue_spec.rb
index 5f7b4755980..0e631f255bf 100644
--- a/spec/migrations/migrate_create_commit_signature_worker_sidekiq_queue_spec.rb
+++ b/spec/migrations/migrate_create_commit_signature_worker_sidekiq_queue_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200206091544_migrate_create_commit_signature_worker_sidekiq_queue.rb')
+require_migration!
 
 RSpec.describe MigrateCreateCommitSignatureWorkerSidekiqQueue, :sidekiq, :redis do
   include Gitlab::Database::MigrationHelpers
diff --git a/spec/migrations/migrate_delayed_project_removal_from_namespaces_to_namespace_settings_spec.rb b/spec/migrations/migrate_delayed_project_removal_from_namespaces_to_namespace_settings_spec.rb
index 28a8dcf0d4c..0f45cc842ef 100644
--- a/spec/migrations/migrate_delayed_project_removal_from_namespaces_to_namespace_settings_spec.rb
+++ b/spec/migrations/migrate_delayed_project_removal_from_namespaces_to_namespace_settings_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20210215095328_migrate_delayed_project_removal_from_namespaces_to_namespace_settings.rb')
+require_migration!
 
 RSpec.describe MigrateDelayedProjectRemovalFromNamespacesToNamespaceSettings, :migration do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/migrate_discussion_id_on_promoted_epics_spec.rb b/spec/migrations/migrate_discussion_id_on_promoted_epics_spec.rb
index 699e9507f50..e42baab9927 100644
--- a/spec/migrations/migrate_discussion_id_on_promoted_epics_spec.rb
+++ b/spec/migrations/migrate_discussion_id_on_promoted_epics_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190715193142_migrate_discussion_id_on_promoted_epics.rb')
+require_migration!
 
 RSpec.describe MigrateDiscussionIdOnPromotedEpics do
   let(:migration_class) { described_class::MIGRATION }
diff --git a/spec/migrations/migrate_elastic_index_settings_spec.rb b/spec/migrations/migrate_elastic_index_settings_spec.rb
index 41483773903..5f39d9b9fc1 100644
--- a/spec/migrations/migrate_elastic_index_settings_spec.rb
+++ b/spec/migrations/migrate_elastic_index_settings_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'migrate', '20210324131727_migrate_elastic_index_settings.rb')
+require_migration!
 
 RSpec.describe MigrateElasticIndexSettings do
   let(:elastic_index_settings) { table(:elastic_index_settings) }
diff --git a/spec/migrations/migrate_incident_issues_to_incident_type_spec.rb b/spec/migrations/migrate_incident_issues_to_incident_type_spec.rb
index dc38695c7fe..acac6114c71 100644
--- a/spec/migrations/migrate_incident_issues_to_incident_type_spec.rb
+++ b/spec/migrations/migrate_incident_issues_to_incident_type_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200723040950_migrate_incident_issues_to_incident_type.rb')
+require_migration!
 
 RSpec.describe MigrateIncidentIssuesToIncidentType do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/migrate_k8s_service_integration_spec.rb b/spec/migrations/migrate_k8s_service_integration_spec.rb
index 66e30b29f61..ba6071b72e4 100644
--- a/spec/migrations/migrate_k8s_service_integration_spec.rb
+++ b/spec/migrations/migrate_k8s_service_integration_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190517153211_migrate_k8s_service_integration.rb')
+require_migration!
 
 RSpec.describe MigrateK8sServiceIntegration do
   context 'template service' do
diff --git a/spec/migrations/migrate_legacy_managed_clusters_to_unmanaged_spec.rb b/spec/migrations/migrate_legacy_managed_clusters_to_unmanaged_spec.rb
index c8bfeec8049..3d8685c7619 100644
--- a/spec/migrations/migrate_legacy_managed_clusters_to_unmanaged_spec.rb
+++ b/spec/migrations/migrate_legacy_managed_clusters_to_unmanaged_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190606163724_migrate_legacy_managed_clusters_to_unmanaged.rb')
+require_migration!
 
 RSpec.describe MigrateLegacyManagedClustersToUnmanaged do
   let(:cluster_type) { 'project_type' }
diff --git a/spec/migrations/migrate_managed_clusters_with_no_token_to_unmanaged_spec.rb b/spec/migrations/migrate_managed_clusters_with_no_token_to_unmanaged_spec.rb
index 1fc92f6ceea..b753b84ae55 100644
--- a/spec/migrations/migrate_managed_clusters_with_no_token_to_unmanaged_spec.rb
+++ b/spec/migrations/migrate_managed_clusters_with_no_token_to_unmanaged_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190613231640_migrate_managed_clusters_with_no_token_to_unmanaged.rb')
+require_migration!
 
 RSpec.describe MigrateManagedClustersWithNoTokenToUnmanaged do
   let(:cluster_type) { 'project_type' }
diff --git a/spec/migrations/migrate_merge_request_mentions_to_db_spec.rb b/spec/migrations/migrate_merge_request_mentions_to_db_spec.rb
index 83388cc6314..06493c4e5c1 100644
--- a/spec/migrations/migrate_merge_request_mentions_to_db_spec.rb
+++ b/spec/migrations/migrate_merge_request_mentions_to_db_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200211155539_migrate_merge_request_mentions_to_db')
+require_migration!
 
 RSpec.describe MigrateMergeRequestMentionsToDb, :migration do
   let(:users) { table(:users) }
diff --git a/spec/migrations/migrate_ops_feature_flags_scopes_target_user_ids_spec.rb b/spec/migrations/migrate_ops_feature_flags_scopes_target_user_ids_spec.rb
index f066b9c90cd..5caf03992dd 100644
--- a/spec/migrations/migrate_ops_feature_flags_scopes_target_user_ids_spec.rb
+++ b/spec/migrations/migrate_ops_feature_flags_scopes_target_user_ids_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20191118211629_migrate_ops_feature_flags_scopes_target_user_ids.rb')
+require_migration!
 
 RSpec.describe MigrateOpsFeatureFlagsScopesTargetUserIds do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/migrate_protected_attribute_to_pending_builds_spec.rb b/spec/migrations/migrate_protected_attribute_to_pending_builds_spec.rb
new file mode 100644
index 00000000000..e838476a650
--- /dev/null
+++ b/spec/migrations/migrate_protected_attribute_to_pending_builds_spec.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require Rails.root.join('db', 'post_migrate', '20210610102413_migrate_protected_attribute_to_pending_builds.rb')
+
+RSpec.describe MigrateProtectedAttributeToPendingBuilds do
+  let(:namespaces) { table(:namespaces) }
+  let(:projects) { table(:projects) }
+  let(:queue) { table(:ci_pending_builds) }
+  let(:builds) { table(:ci_builds) }
+
+  before do
+    namespaces.create!(id: 123, name: 'sample', path: 'sample')
+    projects.create!(id: 123, name: 'sample', path: 'sample', namespace_id: 123)
+
+    builds.create!(id: 1, project_id: 123, status: 'pending', protected: false, type: 'Ci::Build')
+    builds.create!(id: 2, project_id: 123, status: 'pending', protected: true, type: 'Ci::Build')
+    builds.create!(id: 3, project_id: 123, status: 'pending', protected: false, type: 'Ci::Build')
+    builds.create!(id: 4, project_id: 123, status: 'pending', protected: true, type: 'Ci::Bridge')
+    builds.create!(id: 5, project_id: 123, status: 'success', protected: true, type: 'Ci::Build')
+
+    queue.create!(id: 1, project_id: 123, build_id: 1)
+    queue.create!(id: 2, project_id: 123, build_id: 2)
+    queue.create!(id: 3, project_id: 123, build_id: 3)
+  end
+
+  it 'updates entries that should be protected' do
+    migrate!
+
+    expect(queue.where(protected: true).count).to eq 1
+    expect(queue.find_by(protected: true).id).to eq 2
+  end
+end
diff --git a/spec/migrations/migrate_storage_migrator_sidekiq_queue_spec.rb b/spec/migrations/migrate_storage_migrator_sidekiq_queue_spec.rb
index 1181c169f57..4db819f2fa1 100644
--- a/spec/migrations/migrate_storage_migrator_sidekiq_queue_spec.rb
+++ b/spec/migrations/migrate_storage_migrator_sidekiq_queue_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190124200344_migrate_storage_migrator_sidekiq_queue.rb')
+require_migration!
 
 RSpec.describe MigrateStorageMigratorSidekiqQueue, :redis do
   include Gitlab::Database::MigrationHelpers
diff --git a/spec/migrations/migrate_store_security_reports_sidekiq_queue_spec.rb b/spec/migrations/migrate_store_security_reports_sidekiq_queue_spec.rb
index 4face37bd66..35cb6104fe2 100644
--- a/spec/migrations/migrate_store_security_reports_sidekiq_queue_spec.rb
+++ b/spec/migrations/migrate_store_security_reports_sidekiq_queue_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200213220159_migrate_store_security_reports_sidekiq_queue.rb')
+require_migration!
 
 RSpec.describe MigrateStoreSecurityReportsSidekiqQueue, :redis do
   include Gitlab::Database::MigrationHelpers
diff --git a/spec/migrations/migrate_sync_security_reports_to_report_approval_rules_sidekiq_queue_spec.rb b/spec/migrations/migrate_sync_security_reports_to_report_approval_rules_sidekiq_queue_spec.rb
index 15c5761bd99..a9e386301b8 100644
--- a/spec/migrations/migrate_sync_security_reports_to_report_approval_rules_sidekiq_queue_spec.rb
+++ b/spec/migrations/migrate_sync_security_reports_to_report_approval_rules_sidekiq_queue_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200213220211_migrate_sync_security_reports_to_report_approval_rules_sidekiq_queue.rb')
+require_migration!
 
 RSpec.describe MigrateSyncSecurityReportsToReportApprovalRulesSidekiqQueue, :redis do
   include Gitlab::Database::MigrationHelpers
diff --git a/spec/migrations/move_container_registry_enabled_to_project_features3_spec.rb b/spec/migrations/move_container_registry_enabled_to_project_features3_spec.rb
index 4c50aa2dd10..e47cea749d6 100644
--- a/spec/migrations/move_container_registry_enabled_to_project_features3_spec.rb
+++ b/spec/migrations/move_container_registry_enabled_to_project_features3_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210415155043_move_container_registry_enabled_to_project_features3.rb')
+require_migration!
 
 RSpec.describe MoveContainerRegistryEnabledToProjectFeatures3, :migration do
   let(:namespace) { table(:namespaces).create!(name: 'gitlab', path: 'gitlab-org') }
diff --git a/spec/migrations/move_limits_from_plans_spec.rb b/spec/migrations/move_limits_from_plans_spec.rb
index c65fc439dd6..92ac804733f 100644
--- a/spec/migrations/move_limits_from_plans_spec.rb
+++ b/spec/migrations/move_limits_from_plans_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20191030152934_move_limits_from_plans.rb')
+require_migration!
 
 RSpec.describe MoveLimitsFromPlans do
   let(:plans) { table(:plans) }
diff --git a/spec/migrations/nullify_users_role_spec.rb b/spec/migrations/nullify_users_role_spec.rb
index 3cdeb81f362..11056d9cf0c 100644
--- a/spec/migrations/nullify_users_role_spec.rb
+++ b/spec/migrations/nullify_users_role_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20191104142124_nullify_users_role.rb')
+require_migration!
 
 RSpec.describe NullifyUsersRole do
   let(:users) { table(:users) }
diff --git a/spec/migrations/populate_project_statistics_packages_size_spec.rb b/spec/migrations/populate_project_statistics_packages_size_spec.rb
index 6c838e83c56..af9237f4bd6 100644
--- a/spec/migrations/populate_project_statistics_packages_size_spec.rb
+++ b/spec/migrations/populate_project_statistics_packages_size_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190418132125_populate_project_statistics_packages_size.rb')
+require_migration!
 
 RSpec.describe PopulateProjectStatisticsPackagesSize do
   let(:project_statistics) { table(:project_statistics) }
diff --git a/spec/migrations/populate_rule_type_on_approval_merge_request_rules_spec.rb b/spec/migrations/populate_rule_type_on_approval_merge_request_rules_spec.rb
index 2ac912d7979..7dc3f5a1004 100644
--- a/spec/migrations/populate_rule_type_on_approval_merge_request_rules_spec.rb
+++ b/spec/migrations/populate_rule_type_on_approval_merge_request_rules_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190520201748_populate_rule_type_on_approval_merge_request_rules.rb')
+require_migration!
 
 RSpec.describe PopulateRuleTypeOnApprovalMergeRequestRules do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/remove_additional_application_settings_rows_spec.rb b/spec/migrations/remove_additional_application_settings_rows_spec.rb
index a865e8e8dd7..d781195abf2 100644
--- a/spec/migrations/remove_additional_application_settings_rows_spec.rb
+++ b/spec/migrations/remove_additional_application_settings_rows_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20200420162730_remove_additional_application_settings_rows.rb')
+require_migration!
 
 RSpec.describe RemoveAdditionalApplicationSettingsRows do
   let(:application_settings) { table(:application_settings) }
diff --git a/spec/migrations/remove_alerts_service_records_again_spec.rb b/spec/migrations/remove_alerts_service_records_again_spec.rb
index 963b54848f9..94d3e957b6a 100644
--- a/spec/migrations/remove_alerts_service_records_again_spec.rb
+++ b/spec/migrations/remove_alerts_service_records_again_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210205214003_remove_alerts_service_records_again.rb')
+require_migration!
 
 RSpec.describe RemoveAlertsServiceRecordsAgain do
   let(:services) { table(:services) }
diff --git a/spec/migrations/remove_alerts_service_records_spec.rb b/spec/migrations/remove_alerts_service_records_spec.rb
index eaf9f90b445..83f440f8e17 100644
--- a/spec/migrations/remove_alerts_service_records_spec.rb
+++ b/spec/migrations/remove_alerts_service_records_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210107194543_remove_alerts_service_records.rb')
+require_migration!
 
 RSpec.describe RemoveAlertsServiceRecords do
   let(:services) { table(:services) }
diff --git a/spec/migrations/remove_deprecated_jenkins_service_records_spec.rb b/spec/migrations/remove_deprecated_jenkins_service_records_spec.rb
index 00fde88c528..817cf183e0c 100644
--- a/spec/migrations/remove_deprecated_jenkins_service_records_spec.rb
+++ b/spec/migrations/remove_deprecated_jenkins_service_records_spec.rb
@@ -1,8 +1,9 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200511130129_remove_deprecated_jenkins_service_records.rb')
-require Rails.root.join('db', 'post_migrate', '20200511130130_ensure_deprecated_jenkins_service_records_removal.rb')
+require_migration!
+
+require_migration!('ensure_deprecated_jenkins_service_records_removal')
 
 RSpec.shared_examples 'remove DeprecatedJenkinsService records' do
   let(:services) { table(:services) }
diff --git a/spec/migrations/remove_duplicate_labels_from_groups_spec.rb b/spec/migrations/remove_duplicate_labels_from_groups_spec.rb
index eff2c6a37e4..125314f70dd 100644
--- a/spec/migrations/remove_duplicate_labels_from_groups_spec.rb
+++ b/spec/migrations/remove_duplicate_labels_from_groups_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200716234259_remove_duplicate_labels_from_group.rb')
+require_migration!('remove_duplicate_labels_from_group')
 
 RSpec.describe RemoveDuplicateLabelsFromGroup do
   let(:labels_table) { table(:labels) }
diff --git a/spec/migrations/remove_duplicate_labels_from_project_spec.rb b/spec/migrations/remove_duplicate_labels_from_project_spec.rb
index 5eb8ba96aae..eeb9f155e01 100644
--- a/spec/migrations/remove_duplicate_labels_from_project_spec.rb
+++ b/spec/migrations/remove_duplicate_labels_from_project_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200305082754_remove_duplicate_labels_from_project.rb')
+require_migration!
 
 RSpec.describe RemoveDuplicateLabelsFromProject do
   let(:labels_table) { table(:labels) }
diff --git a/spec/migrations/remove_empty_github_service_templates_spec.rb b/spec/migrations/remove_empty_github_service_templates_spec.rb
index 7a77e342efd..ad84187c298 100644
--- a/spec/migrations/remove_empty_github_service_templates_spec.rb
+++ b/spec/migrations/remove_empty_github_service_templates_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20191021101942_remove_empty_github_service_templates.rb')
+require_migration!
 
 RSpec.describe RemoveEmptyGithubServiceTemplates do
   subject(:migration) { described_class.new }
diff --git a/spec/migrations/remove_gitlab_issue_tracker_service_records_spec.rb b/spec/migrations/remove_gitlab_issue_tracker_service_records_spec.rb
index 81fa29f4c54..b4aa5187d4c 100644
--- a/spec/migrations/remove_gitlab_issue_tracker_service_records_spec.rb
+++ b/spec/migrations/remove_gitlab_issue_tracker_service_records_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200623142159_remove_gitlab_issue_tracker_service_records.rb')
+require_migration!
 
 RSpec.describe RemoveGitlabIssueTrackerServiceRecords do
   let(:services) { table(:services) }
diff --git a/spec/migrations/remove_hipchat_service_records_spec.rb b/spec/migrations/remove_hipchat_service_records_spec.rb
index bc76d7933d8..d218b6b23a5 100644
--- a/spec/migrations/remove_hipchat_service_records_spec.rb
+++ b/spec/migrations/remove_hipchat_service_records_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210420103955_remove_hipchat_service_records.rb')
+require_migration!
 
 RSpec.describe RemoveHipchatServiceRecords do
   let(:services) { table(:services) }
diff --git a/spec/migrations/remove_orphan_service_hooks_spec.rb b/spec/migrations/remove_orphan_service_hooks_spec.rb
index c06a8b97738..71e70daf1e6 100644
--- a/spec/migrations/remove_orphan_service_hooks_spec.rb
+++ b/spec/migrations/remove_orphan_service_hooks_spec.rb
@@ -3,7 +3,7 @@
 require 'spec_helper'
 
 require_migration!
-require Rails.root.join('db', 'migrate', '20201119125730_add_web_hooks_service_foreign_key.rb')
+require_migration!('add_web_hooks_service_foreign_key')
 
 RSpec.describe RemoveOrphanServiceHooks, schema: 20201203123201 do
   let(:web_hooks) { table(:web_hooks) }
diff --git a/spec/migrations/remove_orphaned_invited_members_spec.rb b/spec/migrations/remove_orphaned_invited_members_spec.rb
index 10da63518c2..67e98b69ccc 100644
--- a/spec/migrations/remove_orphaned_invited_members_spec.rb
+++ b/spec/migrations/remove_orphaned_invited_members_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200424050250_remove_orphaned_invited_members.rb')
+require_migration!
 
 RSpec.describe RemoveOrphanedInvitedMembers do
   let(:members_table) { table(:members) }
diff --git a/spec/migrations/remove_packages_deprecated_dependencies_spec.rb b/spec/migrations/remove_packages_deprecated_dependencies_spec.rb
index 84c23240af9..f76a26bcdc1 100644
--- a/spec/migrations/remove_packages_deprecated_dependencies_spec.rb
+++ b/spec/migrations/remove_packages_deprecated_dependencies_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200210135504_remove_packages_deprecated_dependencies.rb')
+require_migration!
 
 RSpec.describe RemovePackagesDeprecatedDependencies do
   let(:projects) { table(:projects) }
diff --git a/spec/migrations/remove_records_without_group_from_webhooks_table_spec.rb b/spec/migrations/remove_records_without_group_from_webhooks_table_spec.rb
index a28ca12a10d..c267e419b42 100644
--- a/spec/migrations/remove_records_without_group_from_webhooks_table_spec.rb
+++ b/spec/migrations/remove_records_without_group_from_webhooks_table_spec.rb
@@ -3,7 +3,7 @@
 require 'spec_helper'
 
 require_migration!
-require Rails.root.join('db', 'migrate', '20210325092215_add_not_valid_foreign_key_to_group_hooks.rb')
+require_migration!('add_not_valid_foreign_key_to_group_hooks')
 
 RSpec.describe RemoveRecordsWithoutGroupFromWebhooksTable, schema: 20210330091751 do
   let(:web_hooks) { table(:web_hooks) }
diff --git a/spec/migrations/remove_security_dashboard_feature_flag_spec.rb b/spec/migrations/remove_security_dashboard_feature_flag_spec.rb
index 77363aebfe6..fea7fe01cc7 100644
--- a/spec/migrations/remove_security_dashboard_feature_flag_spec.rb
+++ b/spec/migrations/remove_security_dashboard_feature_flag_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20200214034836_remove_security_dashboard_feature_flag.rb')
+require_migration!
 
 RSpec.describe RemoveSecurityDashboardFeatureFlag do
   let(:feature_gates) { table(:feature_gates) }
diff --git a/spec/migrations/rename_security_dashboard_feature_flag_to_instance_security_dashboard_spec.rb b/spec/migrations/rename_security_dashboard_feature_flag_to_instance_security_dashboard_spec.rb
index 83a79ac9795..fcbf94812fb 100644
--- a/spec/migrations/rename_security_dashboard_feature_flag_to_instance_security_dashboard_spec.rb
+++ b/spec/migrations/rename_security_dashboard_feature_flag_to_instance_security_dashboard_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'migrate', '20200212014653_rename_security_dashboard_feature_flag_to_instance_security_dashboard.rb')
+require_migration!
 
 RSpec.describe RenameSecurityDashboardFeatureFlagToInstanceSecurityDashboard do
   let(:feature_gates) { table(:feature_gates) }
diff --git a/spec/migrations/rename_sitemap_namespace_spec.rb b/spec/migrations/rename_sitemap_namespace_spec.rb
index 83f0721c600..21b74587d50 100644
--- a/spec/migrations/rename_sitemap_namespace_spec.rb
+++ b/spec/migrations/rename_sitemap_namespace_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201102112206_rename_sitemap_namespace.rb')
+require_migration!
 
 RSpec.describe RenameSitemapNamespace do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/rename_sitemap_root_namespaces_spec.rb b/spec/migrations/rename_sitemap_root_namespaces_spec.rb
index 7cbf27849b0..12a687194e0 100644
--- a/spec/migrations/rename_sitemap_root_namespaces_spec.rb
+++ b/spec/migrations/rename_sitemap_root_namespaces_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201019094741_rename_sitemap_root_namespaces.rb')
+require_migration!
 
 RSpec.describe RenameSitemapRootNamespaces do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/reschedule_artifact_expiry_backfill_spec.rb b/spec/migrations/reschedule_artifact_expiry_backfill_spec.rb
index 532035849cb..c06ce3d5bea 100644
--- a/spec/migrations/reschedule_artifact_expiry_backfill_spec.rb
+++ b/spec/migrations/reschedule_artifact_expiry_backfill_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20210224150506_reschedule_artifact_expiry_backfill.rb')
+require_migration!
 
 RSpec.describe RescheduleArtifactExpiryBackfill, :migration do
   let(:migration_class) { Gitlab::BackgroundMigration::BackfillArtifactExpiryDate }
diff --git a/spec/migrations/reseed_merge_trains_enabled_spec.rb b/spec/migrations/reseed_merge_trains_enabled_spec.rb
index 71ef0b47da9..14ed44151d3 100644
--- a/spec/migrations/reseed_merge_trains_enabled_spec.rb
+++ b/spec/migrations/reseed_merge_trains_enabled_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20201112195322_reseed_merge_trains_enabled.rb')
+require_migration!
 
 RSpec.describe ReseedMergeTrainsEnabled do
   describe 'migrate' do
diff --git a/spec/migrations/reseed_repository_storages_weighted_spec.rb b/spec/migrations/reseed_repository_storages_weighted_spec.rb
index 8abad3c0d93..d7efff3dfba 100644
--- a/spec/migrations/reseed_repository_storages_weighted_spec.rb
+++ b/spec/migrations/reseed_repository_storages_weighted_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200509203901_reseed_repository_storages_weighted.rb')
+require_migration!
 
 RSpec.describe ReseedRepositoryStoragesWeighted do
   let(:storages) { { "foo" => {}, "baz" => {} } }
diff --git a/spec/migrations/retry_backfill_traversal_ids_spec.rb b/spec/migrations/retry_backfill_traversal_ids_spec.rb
new file mode 100644
index 00000000000..e5ebd4228ca
--- /dev/null
+++ b/spec/migrations/retry_backfill_traversal_ids_spec.rb
@@ -0,0 +1,93 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require Rails.root.join('db', 'post_migrate', '20210604070207_retry_backfill_traversal_ids.rb')
+
+RSpec.describe RetryBackfillTraversalIds, :migration do
+  include ReloadHelpers
+
+  let_it_be(:namespaces_table) { table(:namespaces) }
+
+  context 'when BackfillNamespaceTraversalIdsRoots jobs are pending' do
+    before do
+      table(:background_migration_jobs).create!(
+        class_name: 'BackfillNamespaceTraversalIdsRoots',
+        arguments: [1, 4, 100],
+        status: Gitlab::Database::BackgroundMigrationJob.statuses['pending']
+      )
+      table(:background_migration_jobs).create!(
+        class_name: 'BackfillNamespaceTraversalIdsRoots',
+        arguments: [5, 9, 100],
+        status: Gitlab::Database::BackgroundMigrationJob.statuses['succeeded']
+      )
+    end
+
+    it 'queues pending jobs' do
+      migrate!
+
+      expect(BackgroundMigrationWorker.jobs.length).to eq(1)
+      expect(BackgroundMigrationWorker.jobs[0]['args']).to eq(['BackfillNamespaceTraversalIdsRoots', [1, 4, 100]])
+      expect(BackgroundMigrationWorker.jobs[0]['at']).to be_nil
+    end
+  end
+
+  context 'when BackfillNamespaceTraversalIdsChildren jobs are pending' do
+    before do
+      table(:background_migration_jobs).create!(
+        class_name: 'BackfillNamespaceTraversalIdsChildren',
+        arguments: [1, 4, 100],
+        status: Gitlab::Database::BackgroundMigrationJob.statuses['pending']
+      )
+      table(:background_migration_jobs).create!(
+        class_name: 'BackfillNamespaceTraversalIdsRoots',
+        arguments: [5, 9, 100],
+        status: Gitlab::Database::BackgroundMigrationJob.statuses['succeeded']
+      )
+    end
+
+    it 'queues pending jobs' do
+      migrate!
+
+      expect(BackgroundMigrationWorker.jobs.length).to eq(1)
+      expect(BackgroundMigrationWorker.jobs[0]['args']).to eq(['BackfillNamespaceTraversalIdsChildren', [1, 4, 100]])
+      expect(BackgroundMigrationWorker.jobs[0]['at']).to be_nil
+    end
+  end
+
+  context 'when BackfillNamespaceTraversalIdsRoots and BackfillNamespaceTraversalIdsChildren jobs are pending' do
+    before do
+      table(:background_migration_jobs).create!(
+        class_name: 'BackfillNamespaceTraversalIdsRoots',
+        arguments: [1, 4, 100],
+        status: Gitlab::Database::BackgroundMigrationJob.statuses['pending']
+      )
+      table(:background_migration_jobs).create!(
+        class_name: 'BackfillNamespaceTraversalIdsChildren',
+        arguments: [5, 9, 100],
+        status: Gitlab::Database::BackgroundMigrationJob.statuses['pending']
+      )
+      table(:background_migration_jobs).create!(
+        class_name: 'BackfillNamespaceTraversalIdsRoots',
+        arguments: [11, 14, 100],
+        status: Gitlab::Database::BackgroundMigrationJob.statuses['succeeded']
+      )
+      table(:background_migration_jobs).create!(
+        class_name: 'BackfillNamespaceTraversalIdsChildren',
+        arguments: [15, 19, 100],
+        status: Gitlab::Database::BackgroundMigrationJob.statuses['succeeded']
+      )
+    end
+
+    it 'queues pending jobs' do
+      freeze_time do
+        migrate!
+
+        expect(BackgroundMigrationWorker.jobs.length).to eq(2)
+        expect(BackgroundMigrationWorker.jobs[0]['args']).to eq(['BackfillNamespaceTraversalIdsRoots', [1, 4, 100]])
+        expect(BackgroundMigrationWorker.jobs[0]['at']).to be_nil
+        expect(BackgroundMigrationWorker.jobs[1]['args']).to eq(['BackfillNamespaceTraversalIdsChildren', [5, 9, 100]])
+        expect(BackgroundMigrationWorker.jobs[1]['at']).to eq(RetryBackfillTraversalIds::DELAY_INTERVAL.from_now.to_f)
+      end
+    end
+  end
+end
diff --git a/spec/migrations/save_instance_administrators_group_id_spec.rb b/spec/migrations/save_instance_administrators_group_id_spec.rb
index cb11cd1653a..0846df18b5e 100644
--- a/spec/migrations/save_instance_administrators_group_id_spec.rb
+++ b/spec/migrations/save_instance_administrators_group_id_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200210092405_save_instance_administrators_group_id')
+require_migration!
 
 RSpec.describe SaveInstanceAdministratorsGroupId do
   let(:application_settings_table) { table(:application_settings) }
diff --git a/spec/migrations/schedule_backfill_push_rules_id_in_projects_spec.rb b/spec/migrations/schedule_backfill_push_rules_id_in_projects_spec.rb
index 37a769bbc52..7b71110e62d 100644
--- a/spec/migrations/schedule_backfill_push_rules_id_in_projects_spec.rb
+++ b/spec/migrations/schedule_backfill_push_rules_id_in_projects_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20200325162730_schedule_backfill_push_rules_id_in_projects.rb')
+require_migration!
 
 RSpec.describe ScheduleBackfillPushRulesIdInProjects do
   let(:push_rules) { table(:push_rules) }
diff --git a/spec/migrations/schedule_blocked_by_links_replacement_second_try_spec.rb b/spec/migrations/schedule_blocked_by_links_replacement_second_try_spec.rb
index 9cd1b98fbd7..f2a0bdba32a 100644
--- a/spec/migrations/schedule_blocked_by_links_replacement_second_try_spec.rb
+++ b/spec/migrations/schedule_blocked_by_links_replacement_second_try_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201102073808_schedule_blocked_by_links_replacement_second_try')
+require_migration!
 
 RSpec.describe ScheduleBlockedByLinksReplacementSecondTry do
   let(:namespace) { table(:namespaces).create!(name: 'gitlab', path: 'gitlab-org') }
diff --git a/spec/migrations/schedule_calculate_wiki_sizes_spec.rb b/spec/migrations/schedule_calculate_wiki_sizes_spec.rb
deleted file mode 100644
index 0af491d863b..00000000000
--- a/spec/migrations/schedule_calculate_wiki_sizes_spec.rb
+++ /dev/null
@@ -1,60 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190527194900_schedule_calculate_wiki_sizes.rb')
-
-RSpec.describe ScheduleCalculateWikiSizes do
-  let(:migration_class) { Gitlab::BackgroundMigration::CalculateWikiSizes }
-  let(:migration_name)  { migration_class.to_s.demodulize }
-
-  let(:namespaces) { table(:namespaces) }
-  let(:projects) { table(:projects) }
-  let(:project_statistics) { table(:project_statistics) }
-  let(:namespace) { namespaces.create!(name: 'wiki-migration', path: 'wiki-migration') }
-  let(:project1) { projects.create!(name: 'wiki-project-1', path: 'wiki-project-1', namespace_id: namespace.id) }
-  let(:project2) { projects.create!(name: 'wiki-project-2', path: 'wiki-project-2', namespace_id: namespace.id) }
-  let(:project3) { projects.create!(name: 'wiki-project-3', path: 'wiki-project-3', namespace_id: namespace.id) }
-
-  context 'when missing wiki sizes exist' do
-    let!(:project_statistic1) { project_statistics.create!(project_id: project1.id, namespace_id: namespace.id, wiki_size: 1000) }
-    let!(:project_statistic2) { project_statistics.create!(project_id: project2.id, namespace_id: namespace.id, wiki_size: nil) }
-    let!(:project_statistic3) { project_statistics.create!(project_id: project3.id, namespace_id: namespace.id, wiki_size: nil) }
-
-    it 'schedules a background migration' do
-      freeze_time do
-        migrate!
-
-        expect(migration_name).to be_scheduled_delayed_migration(5.minutes, project_statistic2.id, project_statistic3.id)
-        expect(BackgroundMigrationWorker.jobs.size).to eq 1
-      end
-    end
-
-    it 'calculates missing wiki sizes', :sidekiq_inline do
-      expect(project_statistic2.wiki_size).to be_nil
-      expect(project_statistic3.wiki_size).to be_nil
-
-      migrate!
-
-      expect(project_statistic2.reload.wiki_size).not_to be_nil
-      expect(project_statistic3.reload.wiki_size).not_to be_nil
-    end
-  end
-
-  context 'when missing wiki sizes do not exist' do
-    before do
-      namespace = namespaces.create!(name: 'wiki-migration', path: 'wiki-migration')
-      project = projects.create!(name: 'wiki-project-1', path: 'wiki-project-1', namespace_id: namespace.id)
-      project_statistics.create!(project_id: project.id, namespace_id: namespace.id, wiki_size: 1000)
-    end
-
-    it 'does not schedule a background migration' do
-      Sidekiq::Testing.fake! do
-        freeze_time do
-          migrate!
-
-          expect(BackgroundMigrationWorker.jobs.size).to eq 0
-        end
-      end
-    end
-  end
-end
diff --git a/spec/migrations/schedule_disable_expiration_policies_linked_to_no_container_images_spec.rb b/spec/migrations/schedule_disable_expiration_policies_linked_to_no_container_images_spec.rb
new file mode 100644
index 00000000000..888d306f893
--- /dev/null
+++ b/spec/migrations/schedule_disable_expiration_policies_linked_to_no_container_images_spec.rb
@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+require_migration!
+
+RSpec.describe ScheduleDisableExpirationPoliciesLinkedToNoContainerImages do
+  let_it_be(:projects) { table(:projects) }
+  let_it_be(:container_expiration_policies) { table(:container_expiration_policies) }
+  let_it_be(:container_repositories) { table(:container_repositories) }
+  let_it_be(:namespaces) { table(:namespaces) }
+  let_it_be(:namespace) { namespaces.create!(name: 'test', path: 'test') }
+
+  let_it_be(:policy1) { create_expiration_policy(id: 1, enabled: true) }
+  let_it_be(:policy2) { create_expiration_policy(id: 2, enabled: false) }
+  let_it_be(:policy3) { create_expiration_policy(id: 3, enabled: false) }
+  let_it_be(:policy4) { create_expiration_policy(id: 4, enabled: true) }
+  let_it_be(:policy5) { create_expiration_policy(id: 5, enabled: false) }
+  let_it_be(:policy6) { create_expiration_policy(id: 6, enabled: false) }
+  let_it_be(:policy7) { create_expiration_policy(id: 7, enabled: true) }
+  let_it_be(:policy8) { create_expiration_policy(id: 8, enabled: true) }
+  let_it_be(:policy9) { create_expiration_policy(id: 9, enabled: true) }
+
+  it 'schedules background migrations', :aggregate_failures do
+    stub_const("#{described_class}::BATCH_SIZE", 2)
+
+    Sidekiq::Testing.fake! do
+      freeze_time do
+        migrate!
+
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(2.minutes, 1, 4)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, 7, 8)
+        expect(described_class::MIGRATION).to be_scheduled_delayed_migration(6.minutes, 9, 9)
+
+        expect(BackgroundMigrationWorker.jobs.size).to eq(3)
+      end
+    end
+  end
+
+  def create_expiration_policy(id:, enabled:)
+    project = projects.create!(id: id, namespace_id: namespace.id, name: "gitlab-#{id}")
+    container_expiration_policies.create!(
+      enabled: enabled,
+      project_id: project.id
+    )
+  end
+end
diff --git a/spec/migrations/schedule_fill_valid_time_for_pages_domain_certificates_spec.rb b/spec/migrations/schedule_fill_valid_time_for_pages_domain_certificates_spec.rb
index 539b9ee96a8..45bd5073d55 100644
--- a/spec/migrations/schedule_fill_valid_time_for_pages_domain_certificates_spec.rb
+++ b/spec/migrations/schedule_fill_valid_time_for_pages_domain_certificates_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190524073827_schedule_fill_valid_time_for_pages_domain_certificates.rb')
+require_migration!
 
 RSpec.describe ScheduleFillValidTimeForPagesDomainCertificates do
   let(:migration_class) { described_class::MIGRATION }
diff --git a/spec/migrations/schedule_link_lfs_objects_projects_spec.rb b/spec/migrations/schedule_link_lfs_objects_projects_spec.rb
index 2384c5d5ce7..29c203c2c31 100644
--- a/spec/migrations/schedule_link_lfs_objects_projects_spec.rb
+++ b/spec/migrations/schedule_link_lfs_objects_projects_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200310075115_schedule_link_lfs_objects_projects.rb')
+require_migration!
 
 RSpec.describe ScheduleLinkLfsObjectsProjects, :migration, :sidekiq do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/schedule_merge_request_cleanup_schedules_backfill_spec.rb b/spec/migrations/schedule_merge_request_cleanup_schedules_backfill_spec.rb
index fa8dd38619a..319c0802f2c 100644
--- a/spec/migrations/schedule_merge_request_cleanup_schedules_backfill_spec.rb
+++ b/spec/migrations/schedule_merge_request_cleanup_schedules_backfill_spec.rb
@@ -24,7 +24,7 @@ RSpec.describe ScheduleMergeRequestCleanupSchedulesBackfill, :sidekiq, schema: 2
       stub_const("#{described_class}::BATCH_SIZE", 2)
     end
 
-    it 'schdules BackfillMergeRequestCleanupSchedules background jobs' do
+    it 'schedules BackfillMergeRequestCleanupSchedules background jobs' do
       Sidekiq::Testing.fake! do
         migrate!
 
diff --git a/spec/migrations/schedule_migrate_pages_to_zip_storage_spec.rb b/spec/migrations/schedule_migrate_pages_to_zip_storage_spec.rb
index 1d35da528e4..29e4cf05c2b 100644
--- a/spec/migrations/schedule_migrate_pages_to_zip_storage_spec.rb
+++ b/spec/migrations/schedule_migrate_pages_to_zip_storage_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210302150310_schedule_migrate_pages_to_zip_storage.rb')
+require_migration!
 
 RSpec.describe ScheduleMigratePagesToZipStorage, :sidekiq_might_not_need_inline, schema: 20201231133921 do
   let(:migration_class) { described_class::MIGRATION }
diff --git a/spec/migrations/schedule_migrate_security_scans_spec.rb b/spec/migrations/schedule_migrate_security_scans_spec.rb
index eb86a910611..ce926241ba6 100644
--- a/spec/migrations/schedule_migrate_security_scans_spec.rb
+++ b/spec/migrations/schedule_migrate_security_scans_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200217225719_schedule_migrate_security_scans.rb')
+require_migration!
 
 RSpec.describe ScheduleMigrateSecurityScans, :sidekiq do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/schedule_migrate_u2f_webauthn_spec.rb b/spec/migrations/schedule_migrate_u2f_webauthn_spec.rb
index 5dc4d676063..48f098e34fc 100644
--- a/spec/migrations/schedule_migrate_u2f_webauthn_spec.rb
+++ b/spec/migrations/schedule_migrate_u2f_webauthn_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200929114107_schedule_migrate_u2f_webauthn.rb')
+require_migration!
 
 RSpec.describe ScheduleMigrateU2fWebauthn do
   let(:migration_name) { described_class::MIGRATION }
diff --git a/spec/migrations/schedule_pages_metadata_migration_spec.rb b/spec/migrations/schedule_pages_metadata_migration_spec.rb
index 94311237cf4..96fbc1f9f51 100644
--- a/spec/migrations/schedule_pages_metadata_migration_spec.rb
+++ b/spec/migrations/schedule_pages_metadata_migration_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20191002031332_schedule_pages_metadata_migration')
+require_migration!
 
 RSpec.describe SchedulePagesMetadataMigration do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/schedule_populate_issue_email_participants_spec.rb b/spec/migrations/schedule_populate_issue_email_participants_spec.rb
index a3f18617b70..3a7a4e4df1e 100644
--- a/spec/migrations/schedule_populate_issue_email_participants_spec.rb
+++ b/spec/migrations/schedule_populate_issue_email_participants_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201128210234_schedule_populate_issue_email_participants.rb')
+require_migration!
 
 RSpec.describe SchedulePopulateIssueEmailParticipants do
   let!(:namespace) { table(:namespaces).create!(name: 'namespace', path: 'namespace') }
diff --git a/spec/migrations/schedule_populate_merge_request_assignees_table_spec.rb b/spec/migrations/schedule_populate_merge_request_assignees_table_spec.rb
index 1f44df82ad0..3caab64a72d 100644
--- a/spec/migrations/schedule_populate_merge_request_assignees_table_spec.rb
+++ b/spec/migrations/schedule_populate_merge_request_assignees_table_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190322132835_schedule_populate_merge_request_assignees_table.rb')
+require_migration!
 
 RSpec.describe SchedulePopulateMergeRequestAssigneesTable do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/schedule_populate_personal_snippet_statistics_spec.rb b/spec/migrations/schedule_populate_personal_snippet_statistics_spec.rb
index faa993dfbc7..5f764a1ee8f 100644
--- a/spec/migrations/schedule_populate_personal_snippet_statistics_spec.rb
+++ b/spec/migrations/schedule_populate_personal_snippet_statistics_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20200714075739_schedule_populate_personal_snippet_statistics.rb')
+require_migration!
 
 RSpec.describe SchedulePopulatePersonalSnippetStatistics do
   let(:users) { table(:users) }
diff --git a/spec/migrations/schedule_populate_project_snippet_statistics_spec.rb b/spec/migrations/schedule_populate_project_snippet_statistics_spec.rb
index d5f048ed5cb..4ac107c5202 100644
--- a/spec/migrations/schedule_populate_project_snippet_statistics_spec.rb
+++ b/spec/migrations/schedule_populate_project_snippet_statistics_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200709101408_schedule_populate_project_snippet_statistics.rb')
+require_migration!
 
 RSpec.describe SchedulePopulateProjectSnippetStatistics do
   let(:users) { table(:users) }
diff --git a/spec/migrations/schedule_populate_user_highest_roles_table_spec.rb b/spec/migrations/schedule_populate_user_highest_roles_table_spec.rb
index 32def8ab47d..0a2ee82b349 100644
--- a/spec/migrations/schedule_populate_user_highest_roles_table_spec.rb
+++ b/spec/migrations/schedule_populate_user_highest_roles_table_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200311130802_schedule_populate_user_highest_roles_table.rb')
+require_migration!
 
 RSpec.describe SchedulePopulateUserHighestRolesTable do
   let(:users) { table(:users) }
diff --git a/spec/migrations/schedule_recalculate_project_authorizations_second_run_spec.rb b/spec/migrations/schedule_recalculate_project_authorizations_second_run_spec.rb
index a02e00de1e3..380d107250b 100644
--- a/spec/migrations/schedule_recalculate_project_authorizations_second_run_spec.rb
+++ b/spec/migrations/schedule_recalculate_project_authorizations_second_run_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200204113224_schedule_recalculate_project_authorizations_second_run.rb')
+require_migration!
 
 RSpec.describe ScheduleRecalculateProjectAuthorizationsSecondRun do
   let(:users_table) { table(:users) }
diff --git a/spec/migrations/schedule_recalculate_project_authorizations_spec.rb b/spec/migrations/schedule_recalculate_project_authorizations_spec.rb
index 378e6aa133d..a4400c2ac83 100644
--- a/spec/migrations/schedule_recalculate_project_authorizations_spec.rb
+++ b/spec/migrations/schedule_recalculate_project_authorizations_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200204113223_schedule_recalculate_project_authorizations.rb')
+require_migration!
 
 RSpec.describe ScheduleRecalculateProjectAuthorizations do
   let(:users_table) { table(:users) }
diff --git a/spec/migrations/schedule_recalculate_project_authorizations_third_run_spec.rb b/spec/migrations/schedule_recalculate_project_authorizations_third_run_spec.rb
index 5328abf7ea7..302ae1d5ebe 100644
--- a/spec/migrations/schedule_recalculate_project_authorizations_third_run_spec.rb
+++ b/spec/migrations/schedule_recalculate_project_authorizations_third_run_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200204113225_schedule_recalculate_project_authorizations_third_run.rb')
+require_migration!
 
 RSpec.describe ScheduleRecalculateProjectAuthorizationsThirdRun do
   let(:users_table) { table(:users) }
diff --git a/spec/migrations/schedule_recalculate_uuid_on_vulnerabilities_occurrences2_spec.rb b/spec/migrations/schedule_recalculate_uuid_on_vulnerabilities_occurrences2_spec.rb
new file mode 100644
index 00000000000..e7d1813e428
--- /dev/null
+++ b/spec/migrations/schedule_recalculate_uuid_on_vulnerabilities_occurrences2_spec.rb
@@ -0,0 +1,127 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require_migration!
+
+RSpec.describe ScheduleRecalculateUuidOnVulnerabilitiesOccurrences2 do
+  let(:namespace) { table(:namespaces).create!(name: 'user', path: 'user') }
+  let(:users) { table(:users) }
+  let(:user) { create_user! }
+  let(:project) { table(:projects).create!(id: 123, namespace_id: namespace.id) }
+  let(:scanners) { table(:vulnerability_scanners) }
+  let(:scanner) { scanners.create!(project_id: project.id, external_id: 'test 1', name: 'test scanner 1') }
+  let(:different_scanner) { scanners.create!(project_id: project.id, external_id: 'test 2', name: 'test scanner 2') }
+  let(:vulnerabilities) { table(:vulnerabilities) }
+  let(:vulnerabilities_findings) { table(:vulnerability_occurrences) }
+  let(:vulnerability_identifiers) { table(:vulnerability_identifiers) }
+  let(:vulnerability_identifier) do
+    vulnerability_identifiers.create!(
+      project_id: project.id,
+      external_type: 'uuid-v5',
+      external_id: 'uuid-v5',
+      fingerprint: '7e394d1b1eb461a7406d7b1e08f057a1cf11287a',
+      name: 'Identifier for UUIDv5')
+  end
+
+  let(:different_vulnerability_identifier) do
+    vulnerability_identifiers.create!(
+      project_id: project.id,
+      external_type: 'uuid-v4',
+      external_id: 'uuid-v4',
+      fingerprint: '772da93d34a1ba010bcb5efa9fb6f8e01bafcc89',
+      name: 'Identifier for UUIDv4')
+  end
+
+  let(:vulnerability_for_uuidv4) do
+    create_vulnerability!(
+      project_id: project.id,
+      author_id: user.id
+    )
+  end
+
+  let(:vulnerability_for_uuidv5) do
+    create_vulnerability!(
+      project_id: project.id,
+      author_id: user.id
+    )
+  end
+
+  let!(:finding1) do
+    create_finding!(
+      vulnerability_id: vulnerability_for_uuidv4.id,
+      project_id: project.id,
+      scanner_id: different_scanner.id,
+      primary_identifier_id: different_vulnerability_identifier.id,
+      location_fingerprint: 'fa18f432f1d56675f4098d318739c3cd5b14eb3e',
+      uuid: 'b3cc2518-5446-4dea-871c-89d5e999c1ac'
+    )
+  end
+
+  let!(:finding2) do
+    create_finding!(
+      vulnerability_id: vulnerability_for_uuidv5.id,
+      project_id: project.id,
+      scanner_id: scanner.id,
+      primary_identifier_id: vulnerability_identifier.id,
+      location_fingerprint: '838574be0210968bf6b9f569df9c2576242cbf0a',
+      uuid: '77211ed6-7dff-5f6b-8c9a-da89ad0a9b60'
+    )
+  end
+
+  before do
+    stub_const("#{described_class}::BATCH_SIZE", 1)
+  end
+
+  around do |example|
+    freeze_time { Sidekiq::Testing.fake! { example.run } }
+  end
+
+  it 'schedules background migrations', :aggregate_failures do
+    migrate!
+
+    expect(BackgroundMigrationWorker.jobs.size).to eq(2)
+    expect(described_class::MIGRATION).to be_scheduled_delayed_migration(2.minutes, finding1.id, finding1.id)
+    expect(described_class::MIGRATION).to be_scheduled_delayed_migration(4.minutes, finding2.id, finding2.id)
+  end
+
+  private
+
+  def create_vulnerability!(project_id:, author_id:, title: 'test', severity: 7, confidence: 7, report_type: 0)
+    vulnerabilities.create!(
+      project_id: project_id,
+      author_id: author_id,
+      title: title,
+      severity: severity,
+      confidence: confidence,
+      report_type: report_type
+    )
+  end
+
+  def create_finding!(
+    vulnerability_id:, project_id:, scanner_id:, primary_identifier_id:, location_fingerprint:, uuid:)
+    vulnerabilities_findings.create!(
+      vulnerability_id: vulnerability_id,
+      project_id: project_id,
+      name: 'test',
+      severity: 7,
+      confidence: 7,
+      report_type: 0,
+      project_fingerprint: '123qweasdzxc',
+      scanner_id: scanner_id,
+      primary_identifier_id: primary_identifier_id,
+      location_fingerprint: location_fingerprint,
+      metadata_version: 'test',
+      raw_metadata: 'test',
+      uuid: uuid
+    )
+  end
+
+  def create_user!(name: "Example User", email: "user@example.com", user_type: nil)
+    users.create!(
+      name: name,
+      email: email,
+      username: name,
+      projects_limit: 0
+    )
+  end
+end
diff --git a/spec/migrations/schedule_sync_issuables_state_id_spec.rb b/spec/migrations/schedule_sync_issuables_state_id_spec.rb
index d22d636e084..5a7105a0c84 100644
--- a/spec/migrations/schedule_sync_issuables_state_id_spec.rb
+++ b/spec/migrations/schedule_sync_issuables_state_id_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190214112022_schedule_sync_issuables_state_id.rb')
+require_migration!
 
 RSpec.describe ScheduleSyncIssuablesStateId do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/schedule_sync_issuables_state_id_where_nil_spec.rb b/spec/migrations/schedule_sync_issuables_state_id_where_nil_spec.rb
index 3d450f0e6bc..d8eaaa1df04 100644
--- a/spec/migrations/schedule_sync_issuables_state_id_where_nil_spec.rb
+++ b/spec/migrations/schedule_sync_issuables_state_id_where_nil_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190506135400_schedule_sync_issuables_state_id_where_nil')
+require_migration!
 
 RSpec.describe ScheduleSyncIssuablesStateIdWhereNil do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/schedule_update_existing_subgroup_to_match_visibility_level_of_parent_spec.rb b/spec/migrations/schedule_update_existing_subgroup_to_match_visibility_level_of_parent_spec.rb
index deb7aae737a..8f265acccae 100644
--- a/spec/migrations/schedule_update_existing_subgroup_to_match_visibility_level_of_parent_spec.rb
+++ b/spec/migrations/schedule_update_existing_subgroup_to_match_visibility_level_of_parent_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200110121314_schedule_update_existing_subgroup_to_match_visibility_level_of_parent.rb')
+require_migration!
 
 RSpec.describe ScheduleUpdateExistingSubgroupToMatchVisibilityLevelOfParent do
   include MigrationHelpers::NamespacesHelpers
diff --git a/spec/migrations/schedule_update_existing_users_that_require_two_factor_auth_spec.rb b/spec/migrations/schedule_update_existing_users_that_require_two_factor_auth_spec.rb
index 74f24906e41..a839229ec22 100644
--- a/spec/migrations/schedule_update_existing_users_that_require_two_factor_auth_spec.rb
+++ b/spec/migrations/schedule_update_existing_users_that_require_two_factor_auth_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20201030121314_schedule_update_existing_users_that_require_two_factor_auth.rb')
+require_migration!
 
 RSpec.describe ScheduleUpdateExistingUsersThatRequireTwoFactorAuth do
   let(:users) { table(:users) }
diff --git a/spec/migrations/schedule_update_timelogs_project_id_spec.rb b/spec/migrations/schedule_update_timelogs_project_id_spec.rb
index e2972d2fd08..b9130fd86be 100644
--- a/spec/migrations/schedule_update_timelogs_project_id_spec.rb
+++ b/spec/migrations/schedule_update_timelogs_project_id_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20210427212034_schedule_update_timelogs_project_id.rb')
+require_migration!
 
 RSpec.describe ScheduleUpdateTimelogsProjectId do
   let!(:namespace) { table(:namespaces).create!(name: 'namespace', path: 'namespace') }
diff --git a/spec/migrations/schedule_update_users_where_two_factor_auth_required_from_group_spec.rb b/spec/migrations/schedule_update_users_where_two_factor_auth_required_from_group_spec.rb
index cec141cacc9..2fe739659f0 100644
--- a/spec/migrations/schedule_update_users_where_two_factor_auth_required_from_group_spec.rb
+++ b/spec/migrations/schedule_update_users_where_two_factor_auth_required_from_group_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20210519154058_schedule_update_users_where_two_factor_auth_required_from_group.rb')
+require_migration!
 
 RSpec.describe ScheduleUpdateUsersWhereTwoFactorAuthRequiredFromGroup do
   let(:users) { table(:users) }
diff --git a/spec/migrations/seed_merge_trains_enabled_spec.rb b/spec/migrations/seed_merge_trains_enabled_spec.rb
index 2abb064a111..1cb0e3cf8a6 100644
--- a/spec/migrations/seed_merge_trains_enabled_spec.rb
+++ b/spec/migrations/seed_merge_trains_enabled_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20201026200736_seed_merge_trains_enabled.rb')
+require_migration!
 
 RSpec.describe SeedMergeTrainsEnabled do
   describe 'migrate' do
diff --git a/spec/migrations/seed_repository_storages_weighted_spec.rb b/spec/migrations/seed_repository_storages_weighted_spec.rb
index d2fb1f7a014..102107bcc9f 100644
--- a/spec/migrations/seed_repository_storages_weighted_spec.rb
+++ b/spec/migrations/seed_repository_storages_weighted_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200526000407_seed_repository_storages_weighted.rb')
+require_migration!
 
 RSpec.describe SeedRepositoryStoragesWeighted do
   let(:storages) { { "foo" => {}, "baz" => {} } }
diff --git a/spec/migrations/services_remove_temporary_index_on_project_id_spec.rb b/spec/migrations/services_remove_temporary_index_on_project_id_spec.rb
index 6cab4c16cfb..d47f6deb2d5 100644
--- a/spec/migrations/services_remove_temporary_index_on_project_id_spec.rb
+++ b/spec/migrations/services_remove_temporary_index_on_project_id_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200203104214_services_remove_temporary_index_on_project_id.rb')
+require_migration!
 
 RSpec.describe ServicesRemoveTemporaryIndexOnProjectId do
   let(:migration_instance) { described_class.new }
diff --git a/spec/migrations/set_issue_id_for_all_versions_spec.rb b/spec/migrations/set_issue_id_for_all_versions_spec.rb
index 0908d054e70..78bc4bbce1c 100644
--- a/spec/migrations/set_issue_id_for_all_versions_spec.rb
+++ b/spec/migrations/set_issue_id_for_all_versions_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20190715043954_set_issue_id_for_all_versions.rb')
+require_migration!
 
 RSpec.describe SetIssueIdForAllVersions do
   let(:projects) { table(:projects) }
diff --git a/spec/migrations/set_job_waiter_ttl_spec.rb b/spec/migrations/set_job_waiter_ttl_spec.rb
index b9cf7c55798..a051f8a535c 100644
--- a/spec/migrations/set_job_waiter_ttl_spec.rb
+++ b/spec/migrations/set_job_waiter_ttl_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200930144340_set_job_waiter_ttl.rb')
+require_migration!
 
 RSpec.describe SetJobWaiterTtl, :redis do
   it 'sets TTLs where necessary' do
diff --git a/spec/migrations/sync_issuables_state_id_spec.rb b/spec/migrations/sync_issuables_state_id_spec.rb
index dcddbca6a36..67403893f74 100644
--- a/spec/migrations/sync_issuables_state_id_spec.rb
+++ b/spec/migrations/sync_issuables_state_id_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20190911251732_sync_issuables_state_id')
+require_migration!
 
 RSpec.describe SyncIssuablesStateId do
   let(:migration) { described_class.new }
diff --git a/spec/migrations/truncate_user_fullname_spec.rb b/spec/migrations/truncate_user_fullname_spec.rb
index cb95c222790..dc5bef06cdc 100644
--- a/spec/migrations/truncate_user_fullname_spec.rb
+++ b/spec/migrations/truncate_user_fullname_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20190325080727_truncate_user_fullname.rb')
+require_migration!
 
 RSpec.describe TruncateUserFullname do
   let(:users) { table(:users) }
diff --git a/spec/migrations/unconfirm_wrongfully_verified_emails_spec.rb b/spec/migrations/unconfirm_wrongfully_verified_emails_spec.rb
index cae2f331f6f..5adc866d0a5 100644
--- a/spec/migrations/unconfirm_wrongfully_verified_emails_spec.rb
+++ b/spec/migrations/unconfirm_wrongfully_verified_emails_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20200615111857_unconfirm_wrongfully_verified_emails.rb')
+require_migration!
 
 RSpec.describe UnconfirmWrongfullyVerifiedEmails do
   before do
diff --git a/spec/migrations/update_application_setting_npm_package_requests_forwarding_default_spec.rb b/spec/migrations/update_application_setting_npm_package_requests_forwarding_default_spec.rb
index 8b241d1b28e..be209536208 100644
--- a/spec/migrations/update_application_setting_npm_package_requests_forwarding_default_spec.rb
+++ b/spec/migrations/update_application_setting_npm_package_requests_forwarding_default_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20200221105436_update_application_setting_npm_package_requests_forwarding_default.rb')
+require_migration!
 
 RSpec.describe UpdateApplicationSettingNpmPackageRequestsForwardingDefault do
   # Create test data - pipeline and CI/CD jobs.
diff --git a/spec/migrations/update_fingerprint_sha256_within_keys_spec.rb b/spec/migrations/update_fingerprint_sha256_within_keys_spec.rb
index 7f5ae892391..22ec3135703 100644
--- a/spec/migrations/update_fingerprint_sha256_within_keys_spec.rb
+++ b/spec/migrations/update_fingerprint_sha256_within_keys_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20200106071113_update_fingerprint_sha256_within_keys.rb')
+require_migration!
 
 RSpec.describe UpdateFingerprintSha256WithinKeys do
   let(:key_table) { table(:keys) }
diff --git a/spec/migrations/update_historical_data_recorded_at_spec.rb b/spec/migrations/update_historical_data_recorded_at_spec.rb
index bccc711f339..95d2bb989fd 100644
--- a/spec/migrations/update_historical_data_recorded_at_spec.rb
+++ b/spec/migrations/update_historical_data_recorded_at_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'migrate', '20201022094846_update_historical_data_recorded_at.rb')
+require_migration!
 
 RSpec.describe UpdateHistoricalDataRecordedAt do
   let(:historical_data_table) { table(:historical_data) }
diff --git a/spec/migrations/update_internal_ids_last_value_for_epics_renamed_spec.rb b/spec/migrations/update_internal_ids_last_value_for_epics_renamed_spec.rb
index 71dd3a53bcd..d7d1781aaa2 100644
--- a/spec/migrations/update_internal_ids_last_value_for_epics_renamed_spec.rb
+++ b/spec/migrations/update_internal_ids_last_value_for_epics_renamed_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'migrate', '20201208081429_update_internal_ids_last_value_for_epics_renamed.rb')
+require_migration!
 
 RSpec.describe UpdateInternalIdsLastValueForEpicsRenamed, :migration, schema: 20201124185639 do
   let(:namespaces) { table(:namespaces) }
diff --git a/spec/migrations/update_minimum_password_length_spec.rb b/spec/migrations/update_minimum_password_length_spec.rb
index a4485dfbcea..02254ba1343 100644
--- a/spec/migrations/update_minimum_password_length_spec.rb
+++ b/spec/migrations/update_minimum_password_length_spec.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 require 'spec_helper'
-require Rails.root.join('db', 'post_migrate', '20191205084057_update_minimum_password_length')
+require_migration!
 
 RSpec.describe UpdateMinimumPasswordLength do
   let(:application_settings) { table(:application_settings) }
diff --git a/spec/migrations/update_routes_for_lost_and_found_group_and_orphaned_projects_spec.rb b/spec/migrations/update_routes_for_lost_and_found_group_and_orphaned_projects_spec.rb
index ffab5c40182..74e97b82363 100644
--- a/spec/migrations/update_routes_for_lost_and_found_group_and_orphaned_projects_spec.rb
+++ b/spec/migrations/update_routes_for_lost_and_found_group_and_orphaned_projects_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'post_migrate', '20200602143020_update_routes_for_lost_and_found_group_and_orphaned_projects.rb')
+require_migration!
 
 RSpec.describe UpdateRoutesForLostAndFoundGroupAndOrphanedProjects, :migration do
   let(:users) { table(:users) }
diff --git a/spec/migrations/update_timestamp_softwarelicensespolicy_spec.rb b/spec/migrations/update_timestamp_softwarelicensespolicy_spec.rb
index f55d55f94c7..0210f23f5c5 100644
--- a/spec/migrations/update_timestamp_softwarelicensespolicy_spec.rb
+++ b/spec/migrations/update_timestamp_softwarelicensespolicy_spec.rb
@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-require Rails.root.join('db', 'migrate', '20200116175538_update_timestamp_softwarelicensespolicy.rb')
+require_migration!
 
 RSpec.describe UpdateTimestampSoftwarelicensespolicy do
   let(:software_licenses_policy) { table(:software_license_policies) }
-- 
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