chromium/chrome/test/data/ssl/browser_use_client_cert_store.html

<html>
  <head>
    <title>page title</title>
    <script type="text/javascript">
      function onload() {
        document.location = '#pass';
      }
    </script>
  </head>
  <body onLoad="onload()">
  </body>
</html>