code: def test_empty_all(app):
      options = {"members": None}
      actual = do_autodoc(app, "module", "target.empty_all", options)
      assert list(actual) == [
          "",
          ".. py:module:: target.empty_all",
          "",
          "   docsting of empty_all module.",
          "",
      ]
  
file_path: sphinx/tests/test_extensions/test_ext_autodoc_automodule.py
imports: import sys
  import pytest
  from tests.test_extensions.test_ext_autodoc import do_autodoc
label_desc: Use image node_id 1 for calling a global function with example usage: test_empty_all(app) without return types