code: def setUp(self):
      super().setUp()
      # Set current directory to test temp directory where we can create
      # files and serve them through the HTTP server.
      os.chdir(self.get_temp_dir())
  
      self.server_port = test_utils.start_http_server()
  
file_path: hub/tensorflow_hub/e2e_test.py
imports: import os
  import tarfile
  from absl import logging
  import tensorflow
  import tensorflow_hub
  from tensorflow_hub import test_utils
label_desc: Use image node_id 1 for calling the End2EndTest obj's underlying member method code with example usage: obj.setUp() without return types