def test_root_name(self):
        filesystem = Filesystem(b"hpool", None)
        self.assertEqual(filesystem.name, b"hpool")
Given dataset ``None``, ``Filesystem.name`` returns the ZFS filesystem
dataset/ETHPy150Open ClusterHQ/flocker/flocker/volume/test/test_filesystems_zfs.py/FilesystemTests.test_root_name