code: def test_initialize_new_kwargs(self):
      generation_config = GenerationConfig()
      generation_config.foo = "bar"
  
      with tempfile.TemporaryDirectory(
          "test-generation-config"
      ) as tmp_dir:
          generation_config.save_pretrained(tmp_dir)
  
          new_config = GenerationConfig.from_pretrained(tmp_dir)
      # update_kwargs was used to update the config on valid attributes
      self.assertEqual(new_config.foo, "bar")
  
      generation_config = GenerationConfig.from_model_config(new_config)
      assert not hasattr(generation_config, "foo")
  
imports: import copy
  import os
  import tempfile
  import unittest
  import warnings
  from huggingface_hub import HfFolder, delete_repo
  from parameterized import parameterized
  from requests.exceptions import HTTPError
  from transformers import AutoConfig, GenerationConfig
  from transformers.testing_utils import TOKEN, USER, is_staging_test
label_desc: Use image node_id 4 for calling the GenerationConfigTest obj's underlying member method code with example usage: obj.test_initialize_new_kwargs() without return types