@Override
    public void simpleInitApp(){
        getViewPort().setBackgroundColor(ColorRGBA.Black);
        setTimer(new VideoRecorderAppState.IsoTimer(60));
    }
The app used for the tests. AppState(s) are used to inject the actual test code.
@author Richard Tingle (aka richtea)
jme3-screenshot-tests/src/main/java/org/jmonkeyengine/screenshottests/testframework/App.java