code: def test_functions_marked_with_documented_are_documented(
      documented_fns, fn
  ):
      assert fn.__name__ in documented_fns
  
file_path: datasette/tests/test_docs.py
imports: from datasette import app, utils
  from datasette.app import Datasette
  from datasette.filters import Filters
  from pathlib import Path
  import pytest
  import re
label_desc: Use image node_id 12 for calling a global function with example usage: test_functions_marked_with_documented_are_documented(documented_fns, fn) without return types