def test_failed_authentication(self):
        provider = self.access.provider
        identifier = self.access.identifier
        self.access.delete()
        user = authenticate(provider=provider, identifier=identifier)
        self.assertEqual(user, None, "No user should be returned.")
No matches found for the provider/id pair.
dataset/ETHPy150Open mlavin/django-all-access/allaccess/tests/test_backends.py/AuthBackendTestCase.test_failed_authentication