public async Task CreateTemplateAsync_BadRequest_TemplateAndLocal_Exist()
        {
            var templateService = new Mock <ITemplateService>();
            var controller      = new NotificationTemplateController(templateService.Object);

            var info = new NotificationTemplateInfo("temp", new List <Localization>
            {
                Localization.From("en")
            });

            templateService.Setup(e => e.GetTemplateInfoAsync(It.IsAny <string>()))
            .Returns(Task.FromResult(info));

            var ex = await Record.ExceptionAsync(() =>
                                                 controller.CreateTemplateAsync(new NewTemplateRequest
            {
                TemplateName     = "temp",
                TemplateBody     = "hello",
                LocalizationCode = "en"
            }));

            Assert.NotNull(ex);
            Assert.IsType <ValidationApiException>(ex);
            Assert.Equal(HttpStatusCode.BadRequest, ((ValidationApiException)ex).StatusCode);

            controller.Dispose();
        }