code: def testPsId(self):
      cluster_spec = {
          "chief": ["127.0.0.1:1234"],
          "ps": ["127.0.0.1:7566"],
      }
      with self.assertRaisesRegex(
          ValueError, "There is no id for task_type 'ps'"
      ):
          multi_worker_util.id_in_cluster(cluster_spec, "ps", 0)
  
imports: from tensorflow.core.protobuf import cluster_pb2
  from tensorflow.python.distribute import multi_worker_util
  from tensorflow.python.eager import test
  from tensorflow.python.training import server_lib
label_desc: Use image node_id 4 for calling the IdInClusterTest obj's underlying member method code with example usage: obj.testPsId() without return types