code: def setUp(self):
      copyfile(self.ori_db, self.bk_db)
  
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 1 for calling the ExperimentTestCase obj's underlying member method code with example usage: obj.setUp() without return types