def test_shared_clusters(self):
     # Get a list of shared datasets
     dsets = sc.lst(self.sock)['shared']
     test_elt = dsets[0]
     
     clusters = sc.shared_cluster(self.sock, test_elt[2], test_elt[0])
     self.assertRegexpMatches(clusters, r'[0-9\n]+', "Invalid cluster data")