code: def tearDownClass(cls):
      os.remove(cls.json_write)
      os.remove(cls.pkl_write)
      os.remove(cls.pkl_read)
  
file_path: auptimizer/tests/test_BasicConfig.py
imports: import unittest
  import json
  import os
  import pickle
  from aup import BasicConfig
label_desc: Use image node_id 2 for calling the BasicConfigTestCase obj's underlying member method code with example usage: obj.tearDownClass(cls) without return types