code: def setUp(self):
      copyfile(self.ori_db, self.bk_db)
      self.connector = get_default_connector(self.auppath)
      self.rm = GPUResourceManager(
          self.connector, self.n_parallel, auppath=self.auppath, eid=1
      )
  
file_path: auptimizer/tests/EE/Resource/test_GPUResourceManager.py
imports: import os
  import unittest
  from shutil import copyfile
  import time
  from aup import BasicConfig
  from aup.EE.Job import Job
  from aup.EE.Resource.GPUResourceManager import GPUResourceManager
  from aup.utils import get_default_connector
label_desc: Use image node_id 1 for calling the GPUResourceManagerTestCase obj's underlying member method code with example usage: obj.setUp() without return types