def test_that_when_checking_if_an_event_source_mapping_exists_and_boto3_returns_an_error_the_event_source_mapping_exists_method_returns_error(self):
        self.conn.get_event_source_mapping.side_effect = ClientError(error_content, 'list_event_source_mappings')
        result = boto_lambda.event_source_mapping_exists(
                                          UUID=event_source_mapping_ret['UUID'],
                                          **conn_parameters)
        self.assertEqual(result.get('error', {}).get('message'), error_message.format('list_event_source_mappings'))
Lists all output targets by recursively walking output-less (wrapper) tasks.
dataset/ETHPy150Open saltstack/salt/tests/unit/modules/boto_lambda_test.py/BotoLambdaEventSourceMappingTestCase.test_that_when_checking_if_an_event_source_mapping_exists_and_boto3_returns_an_error_the_event_source_mapping_exists_method_returns_error--crossover with--dataset/ETHPy150Open spotify/luigi/luigi/task.py/flatten_output