code: def test_pkl(self):
      data = BasicConfig()
      data.load(self.pkl_read)
      self.assertDictEqual(self.d, data)
  
      data["b"] = 2
      data.c = 3
      data.save(self.pkl_write)
  
      data = BasicConfig().load(self.pkl_write)
      self.assertEqual(data.b, 2)
      self.assertEqual(data["c"], 3)
  
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 7 for calling the BasicConfigTestCase obj's underlying member method code with example usage: obj.test_pkl() without return types