def clear(self):
        TestCase.query.filter(
            TestCase.step_id == self.step.id,
        ).delete(synchronize_session=False)
Test retrieval of the actual query
dataset/ETHPy150Open dropbox/changes/changes/models/testresult.py/TestResultManager.clear--crossover with--dataset/ETHPy150Open project-fondue/python-yql/yql/tests/test_yql_object.py/YQLObjTest.test_yqlobj_query