'Determine whether or not the given Flocker cluster identifier belongs
to a cluster created by a test suite run.
:return: ``True`` if it does, ``False`` if it does not.'

def _is_test_cluster(self, cluster_id):

    try:
        return (UUID(cluster_id).node == self.marker)
    except:
        err(None, 'Could    not    parse    cluster_id    {!r}'.format(cluster_id))
        return False
