Github user renoth commented on the issue:
https://github.com/apache/wicket/pull/287
Yes this is correct, this PR is not intended to be merged soon or at all
but just as a demo on what the code changes would be if upgrading to Junit5 and
removing Junit4 dependencies from WicketTester.
I would be happy to supply changes to the Wicket 9 branch if you want to.---
