@Test
public void testClassLoader() throws NoSuchMethodException, InvocationTargetException, IllegalAccessException, InstantiationException, NoSuchFieldException, ClassNotFoundException {

    SingletonHungryMan sone = SingletonHungryMan.INSTANCE;
    Object stwo = createAnotherInstanceUsingAnotherClassLoader();
    sone.sayHello();
    invokeMethod(stwo, "sayHello");
}