The Wicket framework is not TDD-friendly
The Wicket framework is somewhat deceptive when it comes to testing, especially TDD.
Magnus Axelqvists blog
Recent Responses 
- Re: The Wicket framework is not TDD-friendly
One pragmatic approach that lessen the execution time as a whole, is to add several assertions within the same wicket test method. Granted, you'll break the recommendation that you should test one thing only in a test method.