docstr: Test `is_notebook`.
docstr_tok: ["Test","`","is_notebook","`","."]
code: def test_is_notebook(self) -> None:
      """Test `is_notebook`."""
      self.assertFalse(is_notebook())
  
imports: import unittest
  from huggingface_hub.utils._runtime import is_google_colab, is_notebook
label_desc: Use image node_id 1 for calling the TestRuntimeUtils obj's underlying member method code with example usage: obj.test_is_notebook() without return types