### Question:
ServiceHelper extends ApplicationContextSupport { public static ApplicationContext getApplicationContext() { return getAc(); }  static ApplicationContext getApplicationContext(); static Object getService(String serviceName); static Object createBean(String beanName, String parentBeanName); static X createBean(String beanName, Class<X> clazz);  }### Answer:
@Test public void testGetApplicationContext() { Assert.assertNotNull("ServiceHelper中ApplicationContext未初始化！", ServiceHelper.getApplicationContext()); }