def test_deserialize_token_tampered(self, token):
        user = User.deserialize_token('{0}1337'.format(token))
        assert user is None
Token deserializer returns None when it's been tampered with.
dataset/ETHPy150Open nickjj/build-a-saas-app-with-flask/catwatch/tests/user/test_models.py/TestUser.test_deserialize_token_tampered