[boost] [test] Using boost.test for GUI testing?

Hello, did anybody ever use boost.test to test the UI behavior of classes, like for example instantiating a class implementing a dialog, sending some events to the resulting object, and checking that the object has the expected state. AFAICT this would require to somehow integrate the main event loop of the respective GUI framework with the main loop of boost test, but I'm at a loss how this could be accomplished. Has anybody any experience to share? Best regards, Markus