Fix ActiveRecord::Migration deprecations

Extending from ActiveRecord::Migration is deprecated, but was still used
in a bunch of places.

3 files changed, 10 insertions, 10 deletions

diff --git a/spec/rubocop/cop/migration/add_timestamps_spec.rb b/spec/rubocop/cop/migration/add_timestamps_spec.rb
index 3a41c91add2..fae0177d5f5 100644
--- a/spec/rubocop/cop/migration/add_timestamps_spec.rb
+++ b/spec/rubocop/cop/migration/add_timestamps_spec.rb
@@ -11,7 +11,7 @@ describe RuboCop::Cop::Migration::AddTimestamps do
   subject(:cop) { described_class.new }
   let(:migration_with_add_timestamps) do
     %q(
-      class Users < ActiveRecord::Migration
+      class Users < ActiveRecord::Migration[4.2]
         DOWNTIME = false
 
         def change
@@ -24,7 +24,7 @@ describe RuboCop::Cop::Migration::AddTimestamps do
 
   let(:migration_without_add_timestamps) do
     %q(
-      class Users < ActiveRecord::Migration
+      class Users < ActiveRecord::Migration[4.2]
         DOWNTIME = false
 
         def change
@@ -36,7 +36,7 @@ describe RuboCop::Cop::Migration::AddTimestamps do
 
   let(:migration_with_add_timestamps_with_timezone) do
     %q(
-      class Users < ActiveRecord::Migration
+      class Users < ActiveRecord::Migration[4.2]
         DOWNTIME = false
 
         def change
diff --git a/spec/rubocop/cop/migration/datetime_spec.rb b/spec/rubocop/cop/migration/datetime_spec.rb
index 9e844325371..f2d9483d8d3 100644
--- a/spec/rubocop/cop/migration/datetime_spec.rb
+++ b/spec/rubocop/cop/migration/datetime_spec.rb
@@ -12,7 +12,7 @@ describe RuboCop::Cop::Migration::Datetime do
 
   let(:migration_with_datetime) do
     %q(
-      class Users < ActiveRecord::Migration
+      class Users < ActiveRecord::Migration[4.2]
         DOWNTIME = false
 
         def change
@@ -25,7 +25,7 @@ describe RuboCop::Cop::Migration::Datetime do
 
   let(:migration_with_timestamp) do
     %q(
-      class Users < ActiveRecord::Migration
+      class Users < ActiveRecord::Migration[4.2]
         DOWNTIME = false
 
         def change
@@ -38,7 +38,7 @@ describe RuboCop::Cop::Migration::Datetime do
 
   let(:migration_without_datetime) do
     %q(
-      class Users < ActiveRecord::Migration
+      class Users < ActiveRecord::Migration[4.2]
         DOWNTIME = false
 
         def change
@@ -50,7 +50,7 @@ describe RuboCop::Cop::Migration::Datetime do
 
   let(:migration_with_datetime_with_timezone) do
     %q(
-      class Users < ActiveRecord::Migration
+      class Users < ActiveRecord::Migration[4.2]
         DOWNTIME = false
 
         def change
diff --git a/spec/rubocop/cop/migration/timestamps_spec.rb b/spec/rubocop/cop/migration/timestamps_spec.rb
index 685bdb21803..1812818692a 100644
--- a/spec/rubocop/cop/migration/timestamps_spec.rb
+++ b/spec/rubocop/cop/migration/timestamps_spec.rb
@@ -11,7 +11,7 @@ describe RuboCop::Cop::Migration::Timestamps do
   subject(:cop) { described_class.new }
   let(:migration_with_timestamps) do
     %q(
-      class Users < ActiveRecord::Migration
+      class Users < ActiveRecord::Migration[4.2]
         DOWNTIME = false
 
         def change
@@ -27,7 +27,7 @@ describe RuboCop::Cop::Migration::Timestamps do
 
   let(:migration_without_timestamps) do
     %q(
-      class Users < ActiveRecord::Migration
+      class Users < ActiveRecord::Migration[4.2]
         DOWNTIME = false
 
         def change
@@ -42,7 +42,7 @@ describe RuboCop::Cop::Migration::Timestamps do
 
   let(:migration_with_timestamps_with_timezone) do
     %q(
-      class Users < ActiveRecord::Migration
+      class Users < ActiveRecord::Migration[4.2]
         DOWNTIME = false
 
         def change