code: def tearDown(self):
      luigi.configuration.LuigiConfigParser._config_paths = (
          self.config_paths
      )
      os.environ.clear()
      luigi.setup_logging.DaemonLogging._configured = False
      luigi.setup_logging.InterfaceLogging._configured = False
  
imports: import logging
  import os
  import unittest
  from copy import copy
  import luigi
  import luigi.mock
  import gokart
  from gokart.build import GokartBuildError, LoggerConfig
label_desc: Use image node_id 2 for calling the RunTest obj's underlying member method code with example usage: obj.tearDown() without return types