code: def tearDown(self):
      copyfile(self.bk_db, self.ori_db)
      # clean test files
      os.remove(self.bk_db)
      if os.path.isfile(os.path.join(os.getcwd(), "exp2.pkl")):
          os.remove(os.path.join(os.getcwd(), "exp2.pkl"))
      rmtree(os.path.join("tests", "jobs"))
  
file_path: auptimizer/tests/EE/test_Experiment.py
imports: import unittest
  import os
  from shutil import copyfile, rmtree
  from aup import Experiment, BasicConfig
  from aup.compression.utils import adjust_compression_config
label_desc: Use image node_id 2 for calling the ExperimentTestCase obj's underlying member method code with example usage: obj.tearDown() without return types