code: def tearDown(self):
      global CIFAR10_DOWNLOAD_METHOD
      if CIFAR10_DOWNLOAD_METHOD is not None:
          cifar_download.get_cifar10_dataset = CIFAR10_DOWNLOAD_METHOD
          cifar_benchmark.get_cifar10_dataset = CIFAR10_DOWNLOAD_METHOD
          CIFAR10_DOWNLOAD_METHOD = None
  
file_path: avalanche/tests/benchmarks/classic/test_cifar10_benchmarks.py
imports: import unittest
  import avalanche.benchmarks.datasets.external_datasets.cifar
  import avalanche.benchmarks.classic.ccifar10
  from avalanche.benchmarks import ClassificationExperience, SplitCIFAR10
  from tests.unit_tests_utils import load_experience_train_eval, FAST_TEST, is_github_action
label_desc: Use image node_id 2 for calling the CIFAR10BenchmarksTests obj's underlying member method code with example usage: obj.tearDown() without return types