private void checkDisconnect(Application application, Stream stream) throws Exception {
   final Object lock = new Object();
   final boolean[] result = new boolean[1];
   application.addApplicationListener(
       new ApplicationAdapter() {
         @Override
         public void disconnected(Stream stream) throws SkypeException {
           result[0] = true;
           synchronized (lock) {
             lock.notify();
           }
         }
       });
   synchronized (lock) {
     stream.write("disconnect");
     try {
       lock.wait(10000);
     } catch (InterruptedException e) {
       fail();
     }
   }
   assertTrue(result[0]);
 }