public ExtPlugin getExtPlugin() {
        return extPlugin;
    }
@Test
    public void testExtPlugin() {
        ShenyuConfig.ExtPlugin extPlugin = config.getExtPlugin();
        extPlugin.setThreads(5);
        extPlugin.setPath("test");
        extPlugin.setEnabled(true);
        extPlugin.setScheduleDelay(5);

        String path = extPlugin.getPath();
        Integer threads = extPlugin.getThreads();
        Boolean enabled = extPlugin.getEnabled();
        Integer scheduleDelay = extPlugin.getScheduleDelay();
        Integer scheduleTime = extPlugin.getScheduleTime();

        notEmptyElements(enabled, path, scheduleTime, scheduleDelay, threads);
    }