docstr: Share this valid token in all tests below.
docstr_tok: ["Share","this","valid","token","in","all","tests","below","."]
code: def setUpClass(cls):
      """
      Share this valid token in all tests below.
      """
      cls._api = HfApi(endpoint=ENDPOINT_STAGING, token=TOKEN)
  
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 1 for calling the HubMixingTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types