def test_new_is_empty(self):
        mountpoint = mountroot_for_test(self).child(b"mount-test")
        self._run_success_test(mountpoint)
        self.assertEqual(mountpoint.children(), [])
check for possible pillar
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/test/test_blockdevice.py/MountBlockDeviceTests.test_new_is_empty--crossover with--dataset/ETHPy150Open tuturto/pyherc/src/pyherc/generators/level/decorator/basic.py/DirectionalWallDecorator.check_pillar