code: def tearDown(self):
      print(os.listdir(self.test_dir))
  
imports: from __future__ import annotations
  import os
  import sys
  import tempfile
  import unittest
  import torch
  from parameterized import parameterized
  from monai.apps import check_hash
  from monai.apps.mmars import MODEL_DESC, load_from_mmar
  from monai.bundle import download, load
  from monai.config import print_debug_info
  from monai.networks.utils import copy_model_state
  from tests.utils import assert_allclose, skip_if_downloading_fails, skip_if_quick, skip_if_windows
label_desc: Use image node_id 3 for calling the TestAllDownloadingMMAR obj's underlying member method code with example usage: obj.tearDown() without return types