def test_run_create(self):
        dataset_id = uuid4()
        volume = self._create_blockdevice_dataset(
            dataset_id=dataset_id,
            maximum_size=LOOPBACK_MINIMUM_ALLOCATABLE_SIZE,
        )

        expected_volume = _blockdevicevolume_from_dataset_id(
            dataset_id=dataset_id, attached_to=None,
            size=LOOPBACK_MINIMUM_ALLOCATABLE_SIZE,
        )

        self.assertEqual(expected_volume, volume)
``CreateBlockDeviceDataset.run`` uses the ``IDeployer``\ 's API object
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/test/test_blockdevice.py/CreateBlockDeviceDatasetImplementationTests.test_run_create