code: def test_http_basic(self):
      self.assertIsNone(socket.getdefaulttimeout())
      url = support.TEST_HTTP_URL
      with socket_helper.transient_internet(url, timeout=None):
          u = _urlopen_with_retry(url)
          self.addCleanup(u.close)
          self.assertIsNone(u.fp.raw._sock.gettimeout())
  
imports: import errno
  import unittest
  from test import support
  from test.support import os_helper
  from test.support import socket_helper
  from test.support import ResourceDenied
  from test.test_urllib2 import sanepathname2url
  import os
  import socket
  import urllib.error
  import urllib.request
  import sys
label_desc: Use image node_id 2 for calling the TimeoutTest obj's underlying member method code with example usage: obj.test_http_basic() without return types