def test_registered_other_blockdevice(self):
        dataset_id = uuid4()
        self.api.create_volume(
            dataset_id=dataset_id,
            size=LOOPBACK_MINIMUM_ALLOCATABLE_SIZE,
        )
        assert_discovered_state(
            self, self.deployer,
            persistent_state=PersistentState(
                blockdevice_ownership={
                    dataset_id: u"no-such-volume",
                }
            ),
            expected_discovered_datasets=[
                DiscoveredDataset(
                    state=DatasetStates.REGISTERED,
                    dataset_id=dataset_id,
                    blockdevice_id=u"no-such-volume",
                ),
            ],
        )
If a blockdevice associated to a dataset exists, but the dataset
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/test/test_blockdevice.py/BlockDeviceDeployerDiscoverStateTests.test_registered_other_blockdevice