def test_attrs_are_not_identical(self):
        mock = ModelMock(Model)
        self.assertIsNot(mock.foo, mock.bar)
        self.assertIsNot(mock.foo, mock.id)
Each member of a ModelMock is unique.
dataset/ETHPy150Open dcramer/mock-django/tests/mock_django/models/tests.py/ModelMockTestCase.test_attrs_are_not_identical