@Before
public void setUp() throws Exception {
eventBus = new CountingEventBus();
stubHandler = new StubHandler();
inMemoryEventStore = new InMemoryEventStore();
inMemoryEventStore.appendEvents(
StubAggregate.class.getSimpleName(),
new SimpleDomainEventStream(
new GenericDomainEventMessage<StubDomainEvent>(
aggregateIdentifier, 0, new StubDomainEvent())));
}