Add latest changes from gitlab-org/gitlab@master

63 files changed, 126 insertions, 0 deletions

diff --git a/spec/serializers/analytics_build_entity_spec.rb b/spec/serializers/analytics_build_entity_spec.rb
index 1ff4908972a..dfa16075d20 100644
--- a/spec/serializers/analytics_build_entity_spec.rb
+++ b/spec/serializers/analytics_build_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe AnalyticsBuildEntity do
diff --git a/spec/serializers/analytics_build_serializer_spec.rb b/spec/serializers/analytics_build_serializer_spec.rb
index e3b1dd93dc2..04a387fd353 100644
--- a/spec/serializers/analytics_build_serializer_spec.rb
+++ b/spec/serializers/analytics_build_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe AnalyticsBuildSerializer do
diff --git a/spec/serializers/analytics_issue_entity_spec.rb b/spec/serializers/analytics_issue_entity_spec.rb
index c5b03bdd8c1..555efe136e6 100644
--- a/spec/serializers/analytics_issue_entity_spec.rb
+++ b/spec/serializers/analytics_issue_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe AnalyticsIssueEntity do
diff --git a/spec/serializers/analytics_issue_serializer_spec.rb b/spec/serializers/analytics_issue_serializer_spec.rb
index 9cb2ce13d12..9b29739a8f2 100644
--- a/spec/serializers/analytics_issue_serializer_spec.rb
+++ b/spec/serializers/analytics_issue_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe AnalyticsIssueSerializer do
diff --git a/spec/serializers/analytics_merge_request_serializer_spec.rb b/spec/serializers/analytics_merge_request_serializer_spec.rb
index a864051b2a3..c82eb28a28b 100644
--- a/spec/serializers/analytics_merge_request_serializer_spec.rb
+++ b/spec/serializers/analytics_merge_request_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe AnalyticsMergeRequestSerializer do
diff --git a/spec/serializers/analytics_stage_serializer_spec.rb b/spec/serializers/analytics_stage_serializer_spec.rb
index 86a796a2d94..1f1a0180b1f 100644
--- a/spec/serializers/analytics_stage_serializer_spec.rb
+++ b/spec/serializers/analytics_stage_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe AnalyticsStageSerializer do
diff --git a/spec/serializers/analytics_summary_serializer_spec.rb b/spec/serializers/analytics_summary_serializer_spec.rb
index 8fa0574bfd6..33a41706794 100644
--- a/spec/serializers/analytics_summary_serializer_spec.rb
+++ b/spec/serializers/analytics_summary_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe AnalyticsSummarySerializer do
diff --git a/spec/serializers/blob_entity_spec.rb b/spec/serializers/blob_entity_spec.rb
index dde59ff72df..c0687d0232e 100644
--- a/spec/serializers/blob_entity_spec.rb
+++ b/spec/serializers/blob_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe BlobEntity do
diff --git a/spec/serializers/build_action_entity_spec.rb b/spec/serializers/build_action_entity_spec.rb
index 4d335e8fb77..7cd1fdcda22 100644
--- a/spec/serializers/build_action_entity_spec.rb
+++ b/spec/serializers/build_action_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe BuildActionEntity do
diff --git a/spec/serializers/build_artifact_entity_spec.rb b/spec/serializers/build_artifact_entity_spec.rb
index ad0d3d3839e..09fe094fff1 100644
--- a/spec/serializers/build_artifact_entity_spec.rb
+++ b/spec/serializers/build_artifact_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe BuildArtifactEntity do
diff --git a/spec/serializers/build_details_entity_spec.rb b/spec/serializers/build_details_entity_spec.rb
index d922e8246c7..f24036cf0c5 100644
--- a/spec/serializers/build_details_entity_spec.rb
+++ b/spec/serializers/build_details_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe BuildDetailsEntity do
diff --git a/spec/serializers/build_serializer_spec.rb b/spec/serializers/build_serializer_spec.rb
index 302ef147eb2..c7bb6864361 100644
--- a/spec/serializers/build_serializer_spec.rb
+++ b/spec/serializers/build_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe BuildSerializer do
diff --git a/spec/serializers/cluster_application_entity_spec.rb b/spec/serializers/cluster_application_entity_spec.rb
index 76ecca06522..cb9325986d7 100644
--- a/spec/serializers/cluster_application_entity_spec.rb
+++ b/spec/serializers/cluster_application_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ClusterApplicationEntity do
diff --git a/spec/serializers/cluster_basic_entity_spec.rb b/spec/serializers/cluster_basic_entity_spec.rb
index 6762eb6ab3d..ab5d54fca16 100644
--- a/spec/serializers/cluster_basic_entity_spec.rb
+++ b/spec/serializers/cluster_basic_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ClusterBasicEntity do
diff --git a/spec/serializers/cluster_entity_spec.rb b/spec/serializers/cluster_entity_spec.rb
index d6a43fd0f00..22b9166f922 100644
--- a/spec/serializers/cluster_entity_spec.rb
+++ b/spec/serializers/cluster_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ClusterEntity do
diff --git a/spec/serializers/cluster_serializer_spec.rb b/spec/serializers/cluster_serializer_spec.rb
index 5e9f7a45891..db0e65ca0fa 100644
--- a/spec/serializers/cluster_serializer_spec.rb
+++ b/spec/serializers/cluster_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ClusterSerializer do
diff --git a/spec/serializers/commit_entity_spec.rb b/spec/serializers/commit_entity_spec.rb
index b9995818e98..03e1c89a5e6 100644
--- a/spec/serializers/commit_entity_spec.rb
+++ b/spec/serializers/commit_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe CommitEntity do
diff --git a/spec/serializers/container_repository_entity_spec.rb b/spec/serializers/container_repository_entity_spec.rb
index 15466bce514..5848dd64c3b 100644
--- a/spec/serializers/container_repository_entity_spec.rb
+++ b/spec/serializers/container_repository_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ContainerRepositoryEntity do
diff --git a/spec/serializers/container_tag_entity_spec.rb b/spec/serializers/container_tag_entity_spec.rb
index ceb828a1cc5..8a67a189761 100644
--- a/spec/serializers/container_tag_entity_spec.rb
+++ b/spec/serializers/container_tag_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ContainerTagEntity do
diff --git a/spec/serializers/deploy_key_entity_spec.rb b/spec/serializers/deploy_key_entity_spec.rb
index 01264cf7fb5..9e76d36c302 100644
--- a/spec/serializers/deploy_key_entity_spec.rb
+++ b/spec/serializers/deploy_key_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DeployKeyEntity do
diff --git a/spec/serializers/deployment_entity_spec.rb b/spec/serializers/deployment_entity_spec.rb
index 79f89dc1a9c..d7816a3503d 100644
--- a/spec/serializers/deployment_entity_spec.rb
+++ b/spec/serializers/deployment_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DeploymentEntity do
diff --git a/spec/serializers/detailed_status_entity_spec.rb b/spec/serializers/detailed_status_entity_spec.rb
index 62f57ca8689..a4b51f1e02e 100644
--- a/spec/serializers/detailed_status_entity_spec.rb
+++ b/spec/serializers/detailed_status_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DetailedStatusEntity do
diff --git a/spec/serializers/diff_file_entity_spec.rb b/spec/serializers/diff_file_entity_spec.rb
index 92b649f5b6c..0c2e7c1e3eb 100644
--- a/spec/serializers/diff_file_entity_spec.rb
+++ b/spec/serializers/diff_file_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DiffFileEntity do
diff --git a/spec/serializers/diff_line_serializer_spec.rb b/spec/serializers/diff_line_serializer_spec.rb
index 6dd8abd0579..bdfcb8e2459 100644
--- a/spec/serializers/diff_line_serializer_spec.rb
+++ b/spec/serializers/diff_line_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DiffLineSerializer do
diff --git a/spec/serializers/diff_viewer_entity_spec.rb b/spec/serializers/diff_viewer_entity_spec.rb
index 66ac6ef2adc..76d2728c597 100644
--- a/spec/serializers/diff_viewer_entity_spec.rb
+++ b/spec/serializers/diff_viewer_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DiffViewerEntity do
diff --git a/spec/serializers/diffs_entity_spec.rb b/spec/serializers/diffs_entity_spec.rb
index 19a843b0cb7..59acbdac3d0 100644
--- a/spec/serializers/diffs_entity_spec.rb
+++ b/spec/serializers/diffs_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DiffsEntity do
diff --git a/spec/serializers/discussion_entity_spec.rb b/spec/serializers/discussion_entity_spec.rb
index 138749b0fdf..b194623099d 100644
--- a/spec/serializers/discussion_entity_spec.rb
+++ b/spec/serializers/discussion_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DiscussionEntity do
diff --git a/spec/serializers/entity_date_helper_spec.rb b/spec/serializers/entity_date_helper_spec.rb
index 73506954965..6f99074c3a2 100644
--- a/spec/serializers/entity_date_helper_spec.rb
+++ b/spec/serializers/entity_date_helper_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe EntityDateHelper do
diff --git a/spec/serializers/entity_request_spec.rb b/spec/serializers/entity_request_spec.rb
index 86654adfd54..947c4b165d3 100644
--- a/spec/serializers/entity_request_spec.rb
+++ b/spec/serializers/entity_request_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe EntityRequest do
diff --git a/spec/serializers/environment_entity_spec.rb b/spec/serializers/environment_entity_spec.rb
index 906449f470b..b8910fd6eee 100644
--- a/spec/serializers/environment_entity_spec.rb
+++ b/spec/serializers/environment_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe EnvironmentEntity do
diff --git a/spec/serializers/environment_serializer_spec.rb b/spec/serializers/environment_serializer_spec.rb
index 375a28a8c72..304457d83a1 100644
--- a/spec/serializers/environment_serializer_spec.rb
+++ b/spec/serializers/environment_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe EnvironmentSerializer do
diff --git a/spec/serializers/environment_status_entity_spec.rb b/spec/serializers/environment_status_entity_spec.rb
index cb4749f019f..0687751fd67 100644
--- a/spec/serializers/environment_status_entity_spec.rb
+++ b/spec/serializers/environment_status_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe EnvironmentStatusEntity do
diff --git a/spec/serializers/group_child_entity_spec.rb b/spec/serializers/group_child_entity_spec.rb
index 00e2f931549..198a55d5433 100644
--- a/spec/serializers/group_child_entity_spec.rb
+++ b/spec/serializers/group_child_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe GroupChildEntity do
diff --git a/spec/serializers/group_child_serializer_spec.rb b/spec/serializers/group_child_serializer_spec.rb
index c9e8535585b..128e06cd172 100644
--- a/spec/serializers/group_child_serializer_spec.rb
+++ b/spec/serializers/group_child_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe GroupChildSerializer do
diff --git a/spec/serializers/group_variable_entity_spec.rb b/spec/serializers/group_variable_entity_spec.rb
index f6de7d01f98..22c98b418dd 100644
--- a/spec/serializers/group_variable_entity_spec.rb
+++ b/spec/serializers/group_variable_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe GroupVariableEntity do
diff --git a/spec/serializers/issue_entity_spec.rb b/spec/serializers/issue_entity_spec.rb
index 53278062de9..224ed0b402f 100644
--- a/spec/serializers/issue_entity_spec.rb
+++ b/spec/serializers/issue_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe IssueEntity do
diff --git a/spec/serializers/issue_serializer_spec.rb b/spec/serializers/issue_serializer_spec.rb
index b8255e004d0..e25becc4709 100644
--- a/spec/serializers/issue_serializer_spec.rb
+++ b/spec/serializers/issue_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe IssueSerializer do
diff --git a/spec/serializers/job_entity_spec.rb b/spec/serializers/job_entity_spec.rb
index 8de61d4d466..4b2d4701334 100644
--- a/spec/serializers/job_entity_spec.rb
+++ b/spec/serializers/job_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe JobEntity do
diff --git a/spec/serializers/label_serializer_spec.rb b/spec/serializers/label_serializer_spec.rb
index c58c7da1f9e..7e1bb2cc127 100644
--- a/spec/serializers/label_serializer_spec.rb
+++ b/spec/serializers/label_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe LabelSerializer do
diff --git a/spec/serializers/lfs_file_lock_entity_spec.rb b/spec/serializers/lfs_file_lock_entity_spec.rb
index 5919f473a90..4ffffad7d5a 100644
--- a/spec/serializers/lfs_file_lock_entity_spec.rb
+++ b/spec/serializers/lfs_file_lock_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe LfsFileLockEntity do
diff --git a/spec/serializers/merge_request_diff_entity_spec.rb b/spec/serializers/merge_request_diff_entity_spec.rb
index 84f6833d88a..062f17963c0 100644
--- a/spec/serializers/merge_request_diff_entity_spec.rb
+++ b/spec/serializers/merge_request_diff_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequestDiffEntity do
diff --git a/spec/serializers/merge_request_for_pipeline_entity_spec.rb b/spec/serializers/merge_request_for_pipeline_entity_spec.rb
index e49b45bc7d7..b39fbce8c3a 100644
--- a/spec/serializers/merge_request_for_pipeline_entity_spec.rb
+++ b/spec/serializers/merge_request_for_pipeline_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequestForPipelineEntity do
diff --git a/spec/serializers/merge_request_serializer_spec.rb b/spec/serializers/merge_request_serializer_spec.rb
index cf0b8ea9b40..a99f11168c0 100644
--- a/spec/serializers/merge_request_serializer_spec.rb
+++ b/spec/serializers/merge_request_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequestSerializer do
diff --git a/spec/serializers/merge_request_user_entity_spec.rb b/spec/serializers/merge_request_user_entity_spec.rb
index c91ea4aa681..47b9b0a57ab 100644
--- a/spec/serializers/merge_request_user_entity_spec.rb
+++ b/spec/serializers/merge_request_user_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequestUserEntity do
diff --git a/spec/serializers/merge_request_widget_entity_spec.rb b/spec/serializers/merge_request_widget_entity_spec.rb
index ffbfac9b326..4872b23d26b 100644
--- a/spec/serializers/merge_request_widget_entity_spec.rb
+++ b/spec/serializers/merge_request_widget_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequestWidgetEntity do
diff --git a/spec/serializers/note_entity_spec.rb b/spec/serializers/note_entity_spec.rb
index 13cda781cda..cec07cda063 100644
--- a/spec/serializers/note_entity_spec.rb
+++ b/spec/serializers/note_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe NoteEntity do
diff --git a/spec/serializers/pipeline_details_entity_spec.rb b/spec/serializers/pipeline_details_entity_spec.rb
index 8e73a3e67c6..d7c40b8e7b9 100644
--- a/spec/serializers/pipeline_details_entity_spec.rb
+++ b/spec/serializers/pipeline_details_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe PipelineDetailsEntity do
diff --git a/spec/serializers/pipeline_entity_spec.rb b/spec/serializers/pipeline_entity_spec.rb
index eb9972d3e4d..02c5b817ea4 100644
--- a/spec/serializers/pipeline_entity_spec.rb
+++ b/spec/serializers/pipeline_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe PipelineEntity do
diff --git a/spec/serializers/pipeline_serializer_spec.rb b/spec/serializers/pipeline_serializer_spec.rb
index 0ccdea34f74..a1d275cfa2a 100644
--- a/spec/serializers/pipeline_serializer_spec.rb
+++ b/spec/serializers/pipeline_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe PipelineSerializer do
diff --git a/spec/serializers/project_mirror_entity_spec.rb b/spec/serializers/project_mirror_entity_spec.rb
index ad0a8bbdff0..0d64199ecf6 100644
--- a/spec/serializers/project_mirror_entity_spec.rb
+++ b/spec/serializers/project_mirror_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ProjectMirrorEntity do
diff --git a/spec/serializers/project_mirror_serializer_spec.rb b/spec/serializers/project_mirror_serializer_spec.rb
index 5e47163532a..b50c2267ced 100644
--- a/spec/serializers/project_mirror_serializer_spec.rb
+++ b/spec/serializers/project_mirror_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ProjectMirrorSerializer do
diff --git a/spec/serializers/project_note_entity_spec.rb b/spec/serializers/project_note_entity_spec.rb
index dafd1cf603e..7c76f230781 100644
--- a/spec/serializers/project_note_entity_spec.rb
+++ b/spec/serializers/project_note_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ProjectNoteEntity do
diff --git a/spec/serializers/remote_mirror_entity_spec.rb b/spec/serializers/remote_mirror_entity_spec.rb
index 885b0b9b423..5f4aac213be 100644
--- a/spec/serializers/remote_mirror_entity_spec.rb
+++ b/spec/serializers/remote_mirror_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe RemoteMirrorEntity do
diff --git a/spec/serializers/request_aware_entity_spec.rb b/spec/serializers/request_aware_entity_spec.rb
index aa666b961dc..8ddb35f5f61 100644
--- a/spec/serializers/request_aware_entity_spec.rb
+++ b/spec/serializers/request_aware_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe RequestAwareEntity do
diff --git a/spec/serializers/runner_entity_spec.rb b/spec/serializers/runner_entity_spec.rb
index ba99d568eba..11a6aba431b 100644
--- a/spec/serializers/runner_entity_spec.rb
+++ b/spec/serializers/runner_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe RunnerEntity do
diff --git a/spec/serializers/stage_entity_spec.rb b/spec/serializers/stage_entity_spec.rb
index 6b1185d1283..58573df31e7 100644
--- a/spec/serializers/stage_entity_spec.rb
+++ b/spec/serializers/stage_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe StageEntity do
diff --git a/spec/serializers/test_case_entity_spec.rb b/spec/serializers/test_case_entity_spec.rb
index cc5f086ca4e..84203adea2c 100644
--- a/spec/serializers/test_case_entity_spec.rb
+++ b/spec/serializers/test_case_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe TestCaseEntity do
diff --git a/spec/serializers/test_reports_comparer_entity_spec.rb b/spec/serializers/test_reports_comparer_entity_spec.rb
index 4a951bbbde4..2627ad536e4 100644
--- a/spec/serializers/test_reports_comparer_entity_spec.rb
+++ b/spec/serializers/test_reports_comparer_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe TestReportsComparerEntity do
diff --git a/spec/serializers/test_reports_comparer_serializer_spec.rb b/spec/serializers/test_reports_comparer_serializer_spec.rb
index 62dc6f486c5..0d833afe9e4 100644
--- a/spec/serializers/test_reports_comparer_serializer_spec.rb
+++ b/spec/serializers/test_reports_comparer_serializer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe TestReportsComparerSerializer do
diff --git a/spec/serializers/test_suite_comparer_entity_spec.rb b/spec/serializers/test_suite_comparer_entity_spec.rb
index 4b2cca2c68c..e22387130a1 100644
--- a/spec/serializers/test_suite_comparer_entity_spec.rb
+++ b/spec/serializers/test_suite_comparer_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe TestSuiteComparerEntity do
diff --git a/spec/serializers/trigger_variable_entity_spec.rb b/spec/serializers/trigger_variable_entity_spec.rb
index 66567c05f52..f5a21f943d8 100644
--- a/spec/serializers/trigger_variable_entity_spec.rb
+++ b/spec/serializers/trigger_variable_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe TriggerVariableEntity do
diff --git a/spec/serializers/user_entity_spec.rb b/spec/serializers/user_entity_spec.rb
index cd778e49107..edb49757b38 100644
--- a/spec/serializers/user_entity_spec.rb
+++ b/spec/serializers/user_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe UserEntity do
diff --git a/spec/serializers/variable_entity_spec.rb b/spec/serializers/variable_entity_spec.rb
index 10664ff66ec..742b14fb3d3 100644
--- a/spec/serializers/variable_entity_spec.rb
+++ b/spec/serializers/variable_entity_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe VariableEntity do