public Iterator<Appender<E>> iteratorForAppenders() {
        return appenderList.iterator();
    }
@Test
    public void testIteratorForAppenders() throws Exception {
        NOPAppender<TestEvent> ta = new NOPAppender<TestEvent>();
        ta.start();
        aai.addAppender(ta);
        NOPAppender<TestEvent> tab = new NOPAppender<TestEvent>();
        tab.setName("test");
        tab.start();
        aai.addAppender(tab);
        Iterator<Appender<TestEvent>> iter = aai.iteratorForAppenders();
        int size = 0;
        while (iter.hasNext()) {
            ++size;
            Appender<TestEvent> app = iter.next();
            Assertions.assertTrue(app == ta || app == tab, "Bad Appender");
        }
        Assertions.assertTrue(size == 2, "Incorrect number of appenders");
    }