code: def test_timing(self):
      expected = None
      for pw in (False, True):
          result = run_loading_test(pw=pw)
          if expected is None:
              expected = result[0]
      np.testing.assert_allclose(result[0], expected)
  
file_path: MONAI/tests/test_integration_workers.py
imports: from __future__ import annotations
  import unittest
  import numpy
  import torch
  from monai.data import DataLoader
  from monai.utils import set_determinism
  from tests.utils import DistTestCase, SkipIfBeforePyTorchVersion, TimedCall, skip_if_no_cuda, skip_if_quick
label_desc: Use image node_id 2 for calling the IntegrationLoading obj's underlying member method code with example usage: obj.test_timing() without return types