@Override
	public void onApplicationEvent(AbstractModuleEvent event) {
		events.add(event);
	}
Listens for {@link AbstractModuleEvent}s that signal module deployment and undeployment and places the events on a
blocking queue. Add this class to a test application context to be informed on module events.

@author Jennifer Hickey
spring-xd-dirt/src/test/java/org/springframework/xd/dirt/module/TestModuleEventListener.java