1 files changed, 3 insertions, 0 deletions
diff --git a/lib/test/unit.rb b/lib/test/unit.rb
index 14ddc08f2e..d81a111631 100644
--- a/lib/test/unit.rb
+++ b/lib/test/unit.rb
@@ -152,6 +152,9 @@ EOT
 
     class TestCase < MiniTest::Unit::TestCase
       include Assertions
+      def self.test_order
+        :sorted
+      end
     end
   end
 end