code: def test_cached_assets_path_without_namespace_and_subfolder(
      self,
  ) -> None:
      path = cached_assets_path(
          library_name="datasets", assets_dir=self.cache_dir
      )
      self.assertEqual(
          path, self.cache_dir / "datasets" / "default" / "default"
      )
      self.assertTrue(path.is_dir())
  
file_path: huggingface_hub/tests/test_utils_assets.py
imports: import unittest
  from pathlib import Path
  from unittest.mock import patch
  import pytest
  from huggingface_hub import cached_assets_path
label_desc: Use image node_id 4 for calling the CacheAssetsTest obj's underlying member method code with example usage: obj.test_cached_assets_path_without_namespace_and_subfolder() without return types