CTest non-interactive mode re-enabled

Libs/Widgets/Testing/Cpp/ctkCheckablePushButtonTest1.cpp

@@ -122,7 +122,7 @@ int ctkCheckablePushButtonTest1(int argc, char * argv [] )
 
   if (argc < 2 || QString(argv[1]) != "-I" )
     {
-//    QTimer::singleShot(200, &app, SLOT(quit()));
+    QTimer::singleShot(200, &app, SLOT(quit()));
     }
 
   return app.exec();