code: def test_access(self):
      data = BasicConfig(**self.d)
      del data.a
      self.assertFalse("a" in data)
  
file_path: auptimizer/tests/test_BasicConfig.py
imports: import unittest
  import json
  import os
  import pickle
  from aup import BasicConfig
label_desc: Use image node_id 3 for calling the BasicConfigTestCase obj's underlying member method code with example usage: obj.test_access() without return types