diff --git a/test/functional/users_controller_test.rb b/test/functional/users_controller_test.rb
--- a/test/functional/users_controller_test.rb
+++ b/test/functional/users_controller_test.rb
@@ -4,7 +4,7 @@
 # Re-raise errors caught by the controller.
 class UsersController; def rescue_action(e) raise e end; end
 
-class UsersControllerTest < Test::Unit::TestCase
+class UsersControllerTest < ActionController::TestCase
   def setup
     @controller = UsersController.new
     @request    = ActionController::TestRequest.new