public void WorkNotifierCallsEventsInPairs_DefaultMessagesMatch()
{
var disposable = workNotifier.NotifyOfWork();
eventAggregator.Received(1).PublishOnUIThread(Arg.Is <WorkStarted>(s => s.Message == new WorkStarted().Message));
eventAggregator.DidNotReceive().PublishOnUIThread(Arg.Any <WorkFinished>());
eventAggregator.ClearReceivedCalls();
disposable.Dispose();
eventAggregator.DidNotReceive().PublishOnUIThread(Arg.Any <WorkStarted>());
eventAggregator.Received(1).PublishOnUIThread(Arg.Is <WorkFinished>(s => s.Message == new WorkFinished().Message));
}