code: def test_nonmatching_url_is_not_replaced(self):
      for url in INVALID_URLS:
          assert url == url_util.process_gitblob_url(url)
  
imports: import unittest
  from streamlit import url_util
label_desc: Use image node_id 3 for calling the GitHubUrlTest obj's underlying member method code with example usage: obj.test_nonmatching_url_is_not_replaced() without return types