code: def testListDevicesGrpcSession(self):
      server = server_lib.Server.create_local_server()
      with session.Session(server.target) as sess:
          devices = sess.list_devices()
          self.assertTrue(
              "/job:localhost/replica:0/task:0/device:CPU:0"
              in set([d.name for d in devices]),
              devices,
          )
          # All valid device incarnations must be non-zero.
          self.assertTrue(all(d.incarnation != 0 for d in devices))
  
file_path: tensorflow-upstream/tensorflow/python/client/session_list_devices_test.py
imports: from tensorflow.core.protobuf import cluster_pb2
  from tensorflow.core.protobuf import config_pb2
  from tensorflow.python.client import pywrap_tf_session
  from tensorflow.python.client import session
  from tensorflow.python.framework import errors
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.platform import googletest
  from tensorflow.python.training import server_lib
label_desc: Use image node_id 3 for calling the SessionListDevicesTest obj's underlying member method code with example usage: obj.testListDevicesGrpcSession() without return types