}
public void testBasicPubSub() throws Exception{
EventBrokerService brokerInstance = CarbonEventBroker.getInstance();
((CarbonEventBroker)brokerInstance).registerSubscriptionManager(new InMemorySubscriptionManager());
CarbonNotificationManager notifyManager = new CarbonNotificationManager();
notifyManager.init(new HashMap<String, String>());
((CarbonEventBroker)brokerInstance).registerNotificationManager(notifyManager);
Subscription subscription = new Subscription();
String topic = "testTopic";
subscription.setFilterDesc(new EventFilterDesc(null, topic));