@classmethod
    def save(cls, instance=None):
        if instance:
            db().add(instance)
        db().commit()
Clean up after the test
dataset/ETHPy150Open openstack/fuel-web/nailgun/nailgun/objects/base.py/NailgunObject.save--crossover with--dataset/ETHPy150Open duerrp/pyexperiment/tests/test_state.py/TestStateHandler.tearDown