class_docstr: Translate dataset tests.
code: def tearDownClass(cls):  # pylint:disable = invalid-name
      super().tearDownClass()
      cls.DATASET_CLASS.__init__ = original_init
      cls.DATASET_CLASS.download_and_prepare = (
          original_download_and_prepare
      )
  
file_path: datasets/tensorflow_datasets/core/folder_dataset/translate_folder_test.py
imports: import os
  from unittest import mock
  from tensorflow_datasets.core.folder_dataset import translate_folder
  import tensorflow_datasets.public_api
label_desc: Use image node_id 2 for calling the TranslateFolderTests obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types