public async Task CanCheckMessageCounts()
{
var messageBus = new InMemoryMessageBus(o => o.LoggerFactory(Log));
await messageBus.PublishAsync(new SimpleMessageA {
Data = "Hello"
});
Assert.Equal(1, messageBus.MessagesSent);
Assert.Equal(1, messageBus.GetMessagesSent <SimpleMessageA>());
Assert.Equal(0, messageBus.GetMessagesSent <SimpleMessageB>());
}