Tests renderer: frames redirection chain.
<p>FRAME A</p>
<p>IFRAME B</p>
Frames: 4
 frameId=MainFrame
  url=http://www.example.com/1
 frameId=<string>
  url=http://www.example.com/frameA/
  url=http://www.example.com/frameA/2
 frameId=<string>
  url=http://www.example.com/frameB/
 frameId=<string>
  url=http://www.example.com/iframe/
  url=http://www.example.com/iframe/3
ScheduledNavigations: 2
 frameId=<string>
  url=http://www.example.com/frameA/1 reason=scriptInitiated
 frameId=<string>
  url=http://www.example.com/iframe/1 reason=scriptInitiated
Expected requested urls:
 http://www.example.com/
 http://www.example.com/1
 http://www.example.com/frameA/
 http://www.example.com/frameA/1
 http://www.example.com/frameA/2
 http://www.example.com/frameB/
 http://www.example.com/iframe/
 http://www.example.com/iframe/1
 http://www.example.com/iframe/2
 http://www.example.com/iframe/3