@Test(expected = PreprocessingException.class)
public void evaluateTest_differentHeight() {

    BufferedImage left = BufferedImageHelper.createSolidImage(new Color(0, 0, 0), 500, 400);
    BufferedImage right = BufferedImageHelper.createSolidImage(new Color(0, 0, 0), 500, 500);
    MaeQa maeQa = new MaeQa();
    TransientOperation<Float, StaticColor> op = maeQa.evaluate(left, right);
}