public async Task Should_get_template_by_notification_type_happy()
        {
            foreach (var notificationType in Enum.GetValues(typeof(NotificationType)).OfType <NotificationType>())
            {
                // Arrange
                var template = new Template(Guid.NewGuid(), notificationType, MessageType.Email, "parameters");
                _mocker.Mock <IQueryHandler>().Setup(x => x.Handle <GetTemplateByNotificationTypeQuery, Template>(It.Is <GetTemplateByNotificationTypeQuery>(y => y.NotificationType == notificationType))).ReturnsAsync(template);

                // Act
                var result = await _sut.GetTemplateByNotificationTypeAsync((Contract.NotificationType) notificationType);

                // Assert
                _mocker.Mock <IQueryHandler>().Verify(x => x.Handle <GetTemplateByNotificationTypeQuery, Template>(It.Is <GetTemplateByNotificationTypeQuery>(y => y.NotificationType == notificationType)), Times.Once);

                result.Should().BeOfType <OkObjectResult>();
                var okResult = result as OkObjectResult;

                okResult.Value.Should().BeOfType <NotificationTemplateResponse>();
                var notificationTemplateResponse = okResult.Value as NotificationTemplateResponse;
                notificationTemplateResponse.Id.Should().Be(template.Id);
                notificationTemplateResponse.NotificationType.Should().Be((int)notificationType);
                notificationTemplateResponse.NotifyTemplateId.Should().Be(template.NotifyTemplateId);
                notificationTemplateResponse.Parameters.Should().Be(template.Parameters);
            }
        }