code: def testInitializeNoArguments(self):
      with self.assertRaisesRegex(
          ValueError, "Please provide a TPU Name to connect to."
      ):
          client.Client()
  
imports: import datetime
  import json
  import os
  import time
  import urllib
  from absl import flags
  from tensorflow.python.platform import test
  from tensorflow.python.tpu.client import client
label_desc: Use image node_id 14 for calling the CloudTpuClientTest obj's underlying member method code with example usage: obj.testInitializeNoArguments() without return types