chromium/chrome/test/data/chromedriver/pending_console_log.html

<!DOCTYPE html>
<html>
  <body>
    <script>
      window.onload = function() {
        console.error("InitialError", 2018, "Third");
        window.setTimeout(function() {
          console.error("RepeatedError", "Second", "Third");
        }, 5000);
     };
    </script>
  </body>
</html>