code: def setUp(self):
      copyfile(self.ori_db, self.bk_db)
      self.connector = get_default_connector(self.auppath)
      self.rm = CPUResourceManager(
          self.connector, self.n_parallel, eid=1
      )
  
imports: import os
  import unittest
  from shutil import copyfile
  from shutil import rmtree
  import json
  from aup import BasicConfig
  from aup.EE.Job import Job
  from aup.EE.Resource.CPUResourceManager import CPUResourceManager
  from aup.utils import get_default_connector
label_desc: Use image node_id 1 for calling the CPUResourceManagerTestCase obj's underlying member method code with example usage: obj.setUp() without return types