Tests renderer: double redirection.
<p>Pass</p>
Frames: 1
 frameId=MainFrame
  url=http://www.example.com/
  url=http://www.example.com/2
ScheduledNavigations: 1
 frameId=MainFrame
  url=http://www.example.com/1 reason=scriptInitiated
  url=http://www.example.com/2 reason=scriptInitiated