'``DeleteDataset.run()`` deletes volumes whose ``dataset_id`` matches
the one the instance was created with.'

def test_deletes(self):

    delete = DeleteDataset(dataset=Dataset(dataset_id=self.volume2.name.dataset_id))
    self.successResultOf(delete.run(self.deployer, state_persister=InMemoryStatePersister()))
    self.assertEqual(list(self.successResultOf(self.volume_service.enumerate())), [self.volume1])
