code: def test_page_icon_and_name(self, path_str, expected):
      assert source_util.page_icon_and_name(Path(path_str)) == expected
  
file_path: streamlit/lib/tests/streamlit/source_util_test.py
imports: import unittest
  from pathlib import Path
  from unittest.mock import MagicMock, patch
  import pytest
  from parameterized import parameterized
  import streamlit.source_util
  from streamlit.util import calc_md5
label_desc: Use image node_id 3 for calling the PageHelperFunctionTests obj's underlying member method code with example usage: obj.test_page_icon_and_name(path_str, expected) without return types