* @param layout the layout to use
     * @return a new LogNotificationAppender instance, or null if name is null
     */
    @PluginFactory
    public static LogNotificationAppender createAppender( //
            @PluginAttribute("name") final String name, //
            @PluginAttribute(value = "minLevel", defaultString = "ERROR") final String minLevel, //
            @PluginElement("Filter") final Filter filter, //

    public void test_createAppender() {
        final LogNotificationAppender result = LogNotificationAppender.createAppender("testAppender", "ERROR", null, null);
        assertNotNull(result);
    }

    @Test
    public void test_createAppender_nullName() {
        final LogNotificationAppender result = LogNotificationAppender.createAppender(null, "ERROR", null, null);
        assertNull(result);
    }

    @Test