public void sendMessage()
        {
            var  mailHelper = new MailHelper();
            bool isComplete = false;

            try
            {
                Task mailTask = mailHelper.ComposeAndSendMailAsync("Email sent from test in xamarin connect sample", "<html><body>The body of the test email</body ></html>", "*****@*****.**");
                mailTask.Wait();
                isComplete = mailTask.IsCompleted;
            }

            catch (Exception e)
            {
                Assert.Fail();
            }

            Assert.IsTrue(isComplete);
        }