code: def test_gist_url_is_replaced(self):
      for target, processed in GIST_URLS:
          assert url_util.process_gitblob_url(target) == processed
  
imports: import unittest
  from streamlit import url_util
label_desc: Use image node_id 2 for calling the GitHubUrlTest obj's underlying member method code with example usage: obj.test_gist_url_is_replaced() without return types