def _is_test_volume(self, volume):
        try:
            cluster_id = self._get_cluster_id(volume)
        except KeyError:
            return False
        return self._is_test_cluster(cluster_id)
Determine whether or not the given volume belongs to a test-created
dataset/ETHPy150Open ClusterHQ/flocker/admin/cleanup.py/CleanVolumes._is_test_volume