def test_that_when_deleting_an_alias_fails_the_delete_alias_method_returns_false(self):
        self.conn.delete_alias.side_effect = ClientError(error_content, 'delete_alias')
        result = boto_lambda.delete_alias(FunctionName='testfunction',
                                          Name=alias_ret['Name'],
                                          **conn_parameters)
        self.assertFalse(result['deleted'])
Any subclass of Feature must define static method extract_property(tokens, index)
dataset/ETHPy150Open saltstack/salt/tests/unit/modules/boto_lambda_test.py/BotoLambdaAliasTestCase.test_that_when_deleting_an_alias_fails_the_delete_alias_method_returns_false--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/tbl/feature.py/Feature.extract_property