MuleMessage message3 = new DefaultMuleMessage("test event C", muleContext);
MuleMessageCollection messageCollection = new DefaultMessageCollection(
mock(MuleContext.class));
messageCollection.setInvocationProperty("key2", "value2");
messageCollection.addMessage(message2);
messageCollection.addMessage(message3);
MuleEvent event2 = new DefaultMuleEvent(messageCollection, endpoint, flow);
MuleEvent result = resultsHandler.aggregateResults(Collections.<MuleEvent> singletonList(event2),
event1, mock(MuleContext.class));