Help in fixing wicket bug

Hi!

I am trying to contribute by fixing the following bugs:

1. https://issues.apache.org/jira/browse/WICKET-2261
2. https://issues.apache.org/jira/browse/WICKET-2274

They have attached quickstart projects that can be used to easily
reproduce and debug the bugs.

However, I am not familiar on how the wickettester is _supposed_ to
function upon a setResponsePage during AjaxRequest.

I have had a look at it on my own and I came up only with some quite
hacky fix suggestions.. because I am not familiar enough with the
framework.

Could someone give me a hint where to make the fix. What class/method?
Probably you have fixed a similar bug before?

**
Martin