public void NonExistingWebsiteTest()
 {
     Assert.Throws <WebException>(() =>
     {
         var date = SslCertificateExpirationDateCheckProcessor.GetPaymentDate(new Uri("https://ulf.aps-smart.com/"));
     });
 }
        public void MainTest()
        {
            var date = SslCertificateExpirationDateCheckProcessor.GetPaymentDate(new Uri("https://www.google.ru"));

            date = SslCertificateExpirationDateCheckProcessor.GetPaymentDate(new Uri("https://www.yandex.ru"));
            //date = SslCertificateExpirationDateCheckProcessor.GetPaymentDate(new Uri("https://zidium.net"));
            date = SslCertificateExpirationDateCheckProcessor.GetPaymentDate(new Uri("https://doc.alcospot.ru"));
        }