code: def test_initialize_from_fsspec(self):
      fs, _, paths = fsspec.get_fs_token_paths(
          f"hf://datasets/{self.repo_id}/data/text_data.txt",
          storage_options={
              "endpoint": ENDPOINT_STAGING,
              "token": TOKEN,
          },
      )
      self.assertIsInstance(fs, HfFileSystem)
      self.assertEqual(fs._api.endpoint, ENDPOINT_STAGING)
      self.assertEqual(fs.token, TOKEN)
      self.assertEqual(paths, [self.hf_path + "/data/text_data.txt"])
  
      fs, _, paths = fsspec.get_fs_token_paths(
          f"hf://{self.repo_id}/data/text_data.txt"
      )
      self.assertIsInstance(fs, HfFileSystem)
      self.assertEqual(paths, [f"{self.repo_id}/data/text_data.txt"])
  
imports: import datetime
  import unittest
  from typing import Optional
  from unittest.mock import patch
  import fsspec
  import pytest
  from huggingface_hub.hf_file_system import HfFileSystem
  from huggingface_hub.utils import RepositoryNotFoundError, RevisionNotFoundError
  from .testing_constants import ENDPOINT_STAGING, TOKEN
  from .testing_utils import repo_name
label_desc: Use image node_id 16 for calling the HfFileSystemTests obj's underlying member method code with example usage: obj.test_initialize_from_fsspec() without return types