code: def test_random_getnode(self):
      node = self.uuid._random_getnode()
      # The multicast bit, i.e. the least significant bit of first octet,
      # must be set for randomly generated MAC addresses.  See RFC 4122,
      # $4.1.6.
      self.assertTrue(node & (1 << 40), "%012x" % node)
      self.check_node(node)
  
      node2 = self.uuid._random_getnode()
      self.assertNotEqual(node2, node, "%012x" % node)
  
imports: import unittest
  from test import support
  from test.support import import_helper
  import builtins
  import contextlib
  import copy
  import enum
  import io
  import os
  import pickle
  import sys
  import weakref
  from unittest import mock
label_desc: Use image node_id 13 for calling the BaseTestInternals obj's underlying member method code with example usage: obj.test_random_getnode() without return types