def test_immutable_mountpoint(self):
        self.assertRaises(
            AttributeError, setattr, self.info, "mountpoint", b"bar")
:class:`_DatasetInfo.mountpoint` cannot be rebound.
dataset/ETHPy150Open ClusterHQ/flocker/flocker/volume/test/test_filesystems_zfs.py/DatasetInfoTests.test_immutable_mountpoint