public async Task FetchMessageTest()
        {
            messageEntrance.PushMessageBySiteToSiteCommand(PlatformMessageInMemory);

            var handler = await messageEntrance.FetchMessage();

            Assert.NotNull(handler);
            Assert.Equal(PlatformMessageInMemory, handler.MessageObject);

            handler = await messageEntrance.FetchMessage();

            Assert.NotNull(handler);
            Assert.Equal(PlatformMessageInQueue, handler.MessageObject);
        }