def test_delete(self):
        d = self._delete_test(u"mycontainer")

        def deleted(_):
            deployment = self.persistence_service.get()
            origin = next(iter(deployment.nodes))
            self.assertEqual(list(origin.applications), [])
        d.addCallback(deleted)
        return d
The ``DELETE`` method removes the given container from the
dataset/ETHPy150Open ClusterHQ/flocker/flocker/control/test/test_httpapi.py/DeleteContainerTestsMixin.test_delete