public void DeleteMailTemplateTest()
        {
            EmailController emailController = new EmailController(this.emailHandlerManager.Object, this.mailTemplateManager.Object, this.logger);
            bool            response        = true;

            _ = this.mailTemplateManager
                .Setup(mailTemplateManager => mailTemplateManager.DeleteMailTemplate(It.IsAny <string>(), It.IsAny <string>()))
                .Returns(Task.FromResult(response));

            var result = emailController.DeleteMailTemplate(this.applicationName, this.templateName);

            Assert.AreEqual(result.Status.ToString(), "RanToCompletion");
            this.mailTemplateManager.Verify(mgr => mgr.DeleteMailTemplate(It.IsAny <string>(), It.IsAny <string>()), Times.Once);
            Assert.Pass();
        }