code: def test_weak_keyed_dict_popitem(self):
      self.check_popitem(
          WeakIdKeyDictionary, C(), "value 1", C(), "value 2"
      )
  
imports: import copy
  import gc
  import random
  import threading
  import unittest
  import torch
  from torch.testing._internal.common_utils import find_library_location, IS_FBCODE, IS_MACOS, IS_SANDCASTLE, IS_WINDOWS, run_tests, TestCase
  from torch.utils.weak import _WeakHashRef, WeakIdKeyDictionary
label_desc: Use image node_id 4 for calling the WeakTest obj's underlying member method code with example usage: obj.test_weak_keyed_dict_popitem() without return types