assertTrue("Map does not contain key eventId", map.containsKey("eventId"));
assertTrue("List does not contain 2 elements", map.get("eventId").size() == 2);
final Logger logger = LogManager.getLogger(MapFilterTest.class);
final Map<String, String> eventMap = new HashMap<String, String>();
eventMap.put("eventId", "Login");
logger.debug(new MapMessage(eventMap));
final Map<String,Appender> appenders = config.getAppenders();
final Appender app = appenders.get("LIST");
assertNotNull("No List appender", app);
final List<String> msgs = ((ListAppender) app).getMessages();
assertNotNull("No messages", msgs);