class_docstr: config unit test
docstr: tear down 
docstr_tok: ["tear","down"]
code: def tearDown(self):
      """tear down"""
  
file_path: delta/delta/utils/config_test.py
imports: import tempfile
  from absl import logging
  import os
  import delta.compat
  from delta import utils
  from delta import PACKAGE_ROOT_DIR
label_desc: Use image node_id 2 for calling the ConfigTest obj's underlying member method code with example usage: obj.tearDown() without return types