code: def setUpClass(cls):
      with open(cls.json_read, "w") as f:
          json.dump(cls.d, f)
      with open(cls.pkl_read, "wb") as f:
          pickle.dump(cls.d, f)
      with open(cls.wrong_read, "w") as f:
          json.dump([1, 2, 3], f)
  
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 1 for calling the BasicConfigTestCase obj's underlying member method code with example usage: obj.setUpClass(cls) without return types