def tearDown(self):  # pylint: disable=invalid-name
        self.hass.stop()
``list_volumes`` returns both attached and unattached
dataset/ETHPy150Open home-assistant/home-assistant/tests/helpers/test_script.py/TestScriptHelper.tearDown--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/testtools/_blockdevice.py/IBlockDeviceAPITestsMixin.test_list_attached_and_unattached