>

 <body>

  <p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

  <table>
      <tr>
          <td id="left-red-cell"></td>
          <td id="middle-green-cell"></td>
          <td id="right-red-cell"></td>
      </tr>
  </table>

 </body>
</html>
