code: def testStartDispatcherWithWorkDirConfig(self):
      temp_dir = tempfile.mkdtemp()
      config = server_lib.DispatcherConfig(work_dir=temp_dir)
      dispatcher = (
          server_lib.DispatchServer(  # pylint: disable=unused-variable
              config=config, start=True
          )
      )
  
imports: import logging
  import tempfile
  import threading
  import unittest
  from tensorflow.python.data.experimental.service import server_lib
  from tensorflow.python.framework import errors
  from tensorflow.python.platform import test
  from tensorflow.python.profiler import profiler_client
label_desc: Use image node_id 3 for calling the ServerLibTest obj's underlying member method code with example usage: obj.testStartDispatcherWithWorkDirConfig() without return types