public async void Get_ShouldReturnNullBecauseRecordNotFound()
        {
            var mock = new ServiceMockFacade <IMessengerService, IMessengerRepository>();

            mock.RepositoryMock.Setup(x => x.Get(It.IsAny <int>())).Returns(Task.FromResult <Messenger>(null));
            var service = new MessengerService(mock.LoggerMock.Object,
                                               mock.MediatorMock.Object,
                                               mock.RepositoryMock.Object,
                                               mock.ModelValidatorMockFactory.MessengerModelValidatorMock.Object,
                                               mock.DALMapperMockFactory.DALMessengerMapperMock);

            ApiMessengerServerResponseModel response = await service.Get(default(int));

            response.Should().BeNull();
            mock.RepositoryMock.Verify(x => x.Get(It.IsAny <int>()));
        }
        public async void Get()
        {
            var mock   = new ServiceMockFacade <IMessengerRepository>();
            var record = new Messenger();

            mock.RepositoryMock.Setup(x => x.Get(It.IsAny <int>())).Returns(Task.FromResult(record));
            var service = new MessengerService(mock.LoggerMock.Object,
                                               mock.RepositoryMock.Object,
                                               mock.ModelValidatorMockFactory.MessengerModelValidatorMock.Object,
                                               mock.BOLMapperMockFactory.BOLMessengerMapperMock,
                                               mock.DALMapperMockFactory.DALMessengerMapperMock);

            ApiMessengerResponseModel response = await service.Get(default(int));

            response.Should().NotBeNull();
            mock.RepositoryMock.Verify(x => x.Get(It.IsAny <int>()));
        }