2 files changed, 11 insertions, 11 deletions
diff --git a/activemodel/test/cases/validations/validations_context_test.rb b/activemodel/test/cases/validations/validations_context_test.rb
index e5690da89a..25c37a572f 100644
--- a/activemodel/test/cases/validations/validations_context_test.rb
+++ b/activemodel/test/cases/validations/validations_context_test.rb
@@ -38,7 +38,7 @@ class ValidationsContextTest < ActiveModel::TestCase
     Topic.validates_with(ValidatorThatAddsErrors, on: :create)
     topic = Topic.new
     assert topic.invalid?(:create), "Validation does run on create if 'on' is set to create"
-    assert topic.errors[:base].include?(ERROR_MESSAGE)
+    assert_includes topic.errors[:base], ERROR_MESSAGE
   end
 
   test "with a class that adds errors on multiple contexts and validating a new model" do
@@ -48,10 +48,10 @@ class ValidationsContextTest < ActiveModel::TestCase
     assert topic.valid?, "Validation ran with no context given when 'on' is set to context1 and context2"
 
     assert topic.invalid?(:context1), "Validation did not run on context1 when 'on' is set to context1 and context2"
-    assert topic.errors[:base].include?(ERROR_MESSAGE)
+    assert_includes topic.errors[:base], ERROR_MESSAGE
 
     assert topic.invalid?(:context2), "Validation did not run on context2 when 'on' is set to context1 and context2"
-    assert topic.errors[:base].include?(ERROR_MESSAGE)
+    assert_includes topic.errors[:base], ERROR_MESSAGE
   end
 
   test "with a class that validating a model for a multiple contexts" do
@@ -62,7 +62,7 @@ class ValidationsContextTest < ActiveModel::TestCase
     assert topic.valid?, "Validation ran with no context given when 'on' is set to context1 and context2"
 
     assert topic.invalid?([:context1, :context2]), "Validation did not run on context1 when 'on' is set to context1 and context2"
-    assert topic.errors[:base].include?(ERROR_MESSAGE)
-    assert topic.errors[:base].include?(ANOTHER_ERROR_MESSAGE)
+    assert_includes topic.errors[:base], ERROR_MESSAGE
+    assert_includes topic.errors[:base], ANOTHER_ERROR_MESSAGE
   end
 end
diff --git a/activemodel/test/cases/validations/with_validation_test.rb b/activemodel/test/cases/validations/with_validation_test.rb
index 7af51c5cc5..20c11dd852 100644
--- a/activemodel/test/cases/validations/with_validation_test.rb
+++ b/activemodel/test/cases/validations/with_validation_test.rb
@@ -51,7 +51,7 @@ class ValidatesWithTest < ActiveModel::TestCase
     Topic.validates_with(ValidatorThatAddsErrors)
     topic = Topic.new
     assert topic.invalid?, "A class that adds errors causes the record to be invalid"
-    assert topic.errors[:base].include?(ERROR_MESSAGE)
+    assert_includes topic.errors[:base], ERROR_MESSAGE
   end
 
   test "with a class that returns valid" do
@@ -64,8 +64,8 @@ class ValidatesWithTest < ActiveModel::TestCase
     Topic.validates_with(ValidatorThatAddsErrors, OtherValidatorThatAddsErrors)
     topic = Topic.new
     assert topic.invalid?
-    assert topic.errors[:base].include?(ERROR_MESSAGE)
-    assert topic.errors[:base].include?(OTHER_ERROR_MESSAGE)
+    assert_includes topic.errors[:base], ERROR_MESSAGE
+    assert_includes topic.errors[:base], OTHER_ERROR_MESSAGE
   end
 
   test "with if statements that return false" do
@@ -78,7 +78,7 @@ class ValidatesWithTest < ActiveModel::TestCase
     Topic.validates_with(ValidatorThatAddsErrors, if: "1 == 1")
     topic = Topic.new
     assert topic.invalid?
-    assert topic.errors[:base].include?(ERROR_MESSAGE)
+    assert_includes topic.errors[:base], ERROR_MESSAGE
   end
 
   test "with unless statements that return true" do
@@ -91,7 +91,7 @@ class ValidatesWithTest < ActiveModel::TestCase
     Topic.validates_with(ValidatorThatAddsErrors, unless: "1 == 2")
     topic = Topic.new
     assert topic.invalid?
-    assert topic.errors[:base].include?(ERROR_MESSAGE)
+    assert_includes topic.errors[:base], ERROR_MESSAGE
   end
 
   test "passes all configuration options to the validator class" do
@@ -111,7 +111,7 @@ class ValidatesWithTest < ActiveModel::TestCase
     Topic.validates_with(ValidatorThatValidatesOptions, field: :first_name)
     topic = Topic.new
     assert topic.invalid?
-    assert topic.errors[:base].include?(ERROR_MESSAGE)
+    assert_includes topic.errors[:base], ERROR_MESSAGE
   end
 
   test "validates_with each validator" do