code: def test_from_pretrained_to_relative_path(self):
      with SoftTemporaryDirectory(dir=Path(".")) as tmp_relative_dir:
          relative_save_directory = Path(tmp_relative_dir) / "model"
          DummyModel().save_pretrained(
              relative_save_directory, config=CONFIG
          )
          model = DummyModel.from_pretrained(relative_save_directory)
          self.assertDictEqual(model.config, CONFIG)
  
imports: import json
  import os
  import unittest
  from pathlib import Path
  from typing import TypeVar
  from unittest.mock import Mock, patch
  import pytest
  from huggingface_hub import HfApi, hf_hub_download
  from huggingface_hub.hub_mixin import PyTorchModelHubMixin
  from huggingface_hub.utils import SoftTemporaryDirectory, is_torch_available
  from .testing_constants import ENDPOINT_STAGING, TOKEN, USER
  from .testing_utils import repo_name
label_desc: Use image node_id 7 for calling the HubMixingTest obj's underlying member method code with example usage: obj.test_from_pretrained_to_relative_path() without return types