@setup
    def __parent_setup_2(self):
        self.parent_setup_exists += 1
Convenience method, returns conn hash for a given db.
dataset/ETHPy150Open Yelp/Testify/test/test_fixtures_test.py/TestRegisterFixtureMethodsParentClass.__parent_setup_2--crossover with--dataset/ETHPy150Open jzohrab/DbMigrator/dbMigrator/migrator.py/DatabaseSource.get_connection_hash