public void VerifyGenerateCertPFX()
        {
            string   subName  = "TestCert_7";
            string   fileName = "TestCert_7.pfx";
            string   pwd      = "";
            DateTime dt       = DateTime.MinValue;

            CertificateManager.GenerateSelfSignedCertAndSaveAsPFX(subName, fileName, pwd, null, dt);
            bool result = VerifyFileExists(fileName);

            Verify.IsTrue(result, string.Format("Generate Cert PFX with parameters: {0}, {1}, {2}", subName, fileName, pwd));
        }