void TestEventBus()
        {
            IServiceProvider provider = this.ConfigureServices();

            var eventBus = provider.GetRequiredService <IEventBus>();

            eventBus.Subscribe <TestIntegrationEvent, IIntegrationEventHandler <TestIntegrationEvent> >();


            var @event = new TestIntegrationEvent("²âÊÔʼþ");

            eventBus.Publish(@event);
        }