java - JUnit: pause for user input -

I'm learning JUnit Since my app contains graphical output, Examinations or exams fail on the basis of what I see. It should wait for a while, if unsuccessful, will fail.

Is there a way to do this within a junit (or its extension), or should I just throw a dialog box and say output? It seems that this can be a common problem with an existing solution.

Edit : What should I do if I should not use JUnit for this? I want to manually verify the build manually every so often and want to do the unit testing automatically, and if it gets two test frames it would be great.