class_docstr: UDP test case for socket.socket() timeout functions
code: def testRecvfromTimeout(self):
      # Test recvfrom() timeout
      # Prevent "Address already in use" socket exceptions
      socket_helper.bind_port(self.sock, self.localhost)
      self._sock_operation(1, 1.5, "recvfrom", 1024)
  
imports: import functools
  import unittest
  from test import support
  from test.support import socket_helper
  import time
  import errno
  import socket
label_desc: Use image node_id 3 for calling the UDPTimeoutTestCase obj's underlying member method code with example usage: obj.testRecvfromTimeout() without return types