anchor.diff:                <td>The word ‘dismiss’ once you have closed the popup box.</td>
                 <td>7 days</td>
               </tr>
  -          </tbody>
  -        </table>
  -        
  +            <tr>
  +              <td>whitehall-tour</td>
  +              <td>The word ‘dismiss’ once you have closed the popup box.</td>
  +              <td>7 days</td>
  +            </tr>
  +            <tr>
  +              <td>dp-tour</td>
  +              <td>The word ‘dismiss’ once you have closed the popup box.</td>
  +              <td>7 days</td>
  +            </tr>
  +          </tbody>
  +        </table>
  +
         </div>
       </article>
  -    
  +
     </div>
   </section>
  
positive.code: 
          <h3 id="tourcookies">Remembering if you’ve seen our introductory message</h3>
  
          <p>On your first visit to GOV.UK, you’ll be greeted by a pop-up
          message, welcoming you and providing background to this trial site.
          When you close the message, we’ll store a cookie so that your computer
          knows you’ve seen it and knows not to show it again (and again...).</p>
  
negative.code:     <article role="article" class="group">
        <div class="inner">
          <h2>Cookies</h2>
  
          <p>To make this site simpler, we sometimes place small data files on
          your computer. These are known as cookies. Most big websites do this
          too.</p>
  