Fixed a test failure introduced by 214d1e1b.

                    hint=("Django 1.6 introduced a new default test runner. It looks like "

                          "this project was generated using Django 1.5 or earlier. You should "

                          "ensure your tests are all running & behaving as expected. See "

                          "https://docs.djangoproject.com/en/dev/releases/1.6/#discovery-of-tests-in-any-test-module "

                          "https://docs.djangoproject.com/en/dev/releases/1.6/#new-test-runner "

                          "for more information."),

                    obj=None,

                    id='1_6.W001',