1 files changed, 3 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/testing/setup_and_teardown.rb b/activesupport/lib/active_support/testing/setup_and_teardown.rb
index 78d914f8cf..f2268d1767 100644
--- a/activesupport/lib/active_support/testing/setup_and_teardown.rb
+++ b/activesupport/lib/active_support/testing/setup_and_teardown.rb
@@ -104,8 +104,10 @@ module ActiveSupport
           if respond_to?(:mocha_verify) # using mocha
             if defined?(Mocha::TestCaseAdapter::AssertionCounter)
               Mocha::TestCaseAdapter::AssertionCounter.new(result)
-            else
+            elsif defined?(Mocha::Integration::TestUnit::AssertionCounter)
               Mocha::Integration::TestUnit::AssertionCounter.new(result)
+            else
+              Mocha::MonkeyPatching::TestUnit::AssertionCounter.new(result)
             end
           end
         end