def assertNotIn(self, a, b):
        if a in b:
            raise AssertionError("{} in {}".format(a, b))
Ensure that auth_providers are always callable
dataset/ETHPy150Open ga4gh/server/tests/datadriven/__init__.py/TestCase.assertNotIn--crossover with--dataset/ETHPy150Open datastax/python-driver/tests/integration/standard/test_cluster.py/ClusterTests.test_auth_provider_is_callable