def test_03_add_config_with_existing(self, mock_client):
        mock_client.return_value = self._kinesisAnalytics

        from lambda_function import _add_vpc_configuration
        response = _add_vpc_configuration('test-application', ['subnet-abc'],
                                          ['sg-abc'])
        self.assertEqual('vpc-version-b', response)
    def test_01_add_config_noop(self, mock_client):
        mock_client.return_value = self._kinesisAnalytics

        from lambda_function import _add_vpc_configuration
        response = _add_vpc_configuration('test-application', [''], [''])
        self.assertIsNone(response)