code: def test_context_meter_pickle():
      assert (
          pickle.loads(pickle.dumps(metrics.context_meter))
          is metrics.context_meter
      )
  
imports: from __future__ import annotations
  import math
  import pickle
  import threading
  import time
  import pytest
  from distributed import metrics
  from distributed.compatibility import WINDOWS
  from distributed.utils import offload
  from distributed.utils_test import gen_test
label_desc: Use image node_id 11 for calling a global function with example usage: test_context_meter_pickle() without return types