3 files changed, 4 insertions, 4 deletions
diff --git a/activemodel/test/cases/lint_test.rb b/activemodel/test/cases/lint_test.rb
index 165c353045..ed576a91e2 100644
--- a/activemodel/test/cases/lint_test.rb
+++ b/activemodel/test/cases/lint_test.rb
@@ -1,6 +1,6 @@
 require "cases/helper"
 
-class TestLint < Test::Unit::TestCase
+class TestLint < ActiveModel::TestCase
   class CompliantObject
     def to_model
       self
@@ -47,4 +47,4 @@ class TestLint < Test::Unit::TestCase
   def test_errors_full_messages
     assert_output(CompliantObject.new, 0, 0, /test_errors_aref/)
   end
-end
-\ No newline at end of file
+end
diff --git a/activemodel/test/cases/naming_test.rb b/activemodel/test/cases/naming_test.rb
index e75d4541a3..4d97af3d13 100644
--- a/activemodel/test/cases/naming_test.rb
+++ b/activemodel/test/cases/naming_test.rb
@@ -1,6 +1,6 @@
 require 'cases/helper'
 
-class NamingTest < Test::Unit::TestCase
+class NamingTest < ActiveModel::TestCase
   def setup
     @model_name = ActiveModel::Name.new('Post::TrackBack')
   end
diff --git a/activemodel/test/cases/validations/i18n_generate_message_validation_test.rb b/activemodel/test/cases/validations/i18n_generate_message_validation_test.rb
index 07e4341289..443a81c6ac 100644
--- a/activemodel/test/cases/validations/i18n_generate_message_validation_test.rb
+++ b/activemodel/test/cases/validations/i18n_generate_message_validation_test.rb
@@ -3,7 +3,7 @@ require 'cases/tests_database'
 
 require 'models/person'
 
-class I18nGenerateMessageValidationTest < Test::Unit::TestCase
+class I18nGenerateMessageValidationTest < ActiveModel::TestCase
   def setup
     Person.reset_callbacks(:validate)
     @person = Person.new