1 files changed, 14 insertions, 12 deletions
diff --git a/activesupport/test/deprecation_test.rb b/activesupport/test/deprecation_test.rb
index 27e9573ce2..73a1f9959c 100644
--- a/activesupport/test/deprecation_test.rb
+++ b/activesupport/test/deprecation_test.rb
@@ -32,7 +32,7 @@ class Deprecatee
 end
 
 
-class DeprecationTest < Test::Unit::TestCase
+class DeprecationTest < ActiveSupport::TestCase
   def setup
     # Track the last warning.
     @old_behavior = ActiveSupport::Deprecation.behavior
@@ -143,19 +143,21 @@ class DeprecationTest < Test::Unit::TestCase
     assert_deprecated(/you now need to do something extra for this one/) { @dtc.d }
   end
 
-  def test_assertion_failed_error_doesnt_spout_deprecation_warnings
-    error_class = Class.new(StandardError) do
-      def message
-        ActiveSupport::Deprecation.warn 'warning in error message'
-        super
+  unless defined?(::MiniTest)
+    def test_assertion_failed_error_doesnt_spout_deprecation_warnings
+      error_class = Class.new(StandardError) do
+        def message
+          ActiveSupport::Deprecation.warn 'warning in error message'
+          super
+        end
       end
-    end
 
-    raise error_class.new('hmm')
+      raise error_class.new('hmm')
 
-  rescue => e
-    error = Test::Unit::Error.new('testing ur doodz', e)
-    assert_not_deprecated { error.message }
-    assert_nil @last_message
+    rescue => e
+      error = Test::Unit::Error.new('testing ur doodz', e)
+      assert_not_deprecated { error.message }
+      assert_nil @last_message
+    end
   end
 end