public async Task Azure_blob_has_MSFT_cert_in_path()
 {
     var h = new WebRequestHandler();
     h.SetValidator(info =>
         !info.HasErrors &&
         new AtLeastOneThumbprintInCertChain(msftThumbs).Eval(info));
     using (var client = new HttpClient(h))
     {
         await client.GetAsync("https://webapibook.blob.core.windows.net/");
     }
 }
 public async Task It_is_possible_to_control_revocation_checking()
 {
     var h = new WebRequestHandler();
     ServicePointManager.CheckCertificateRevocationList = true;
     h.SetValidator(info =>
                    !info.HasErrors &&
                    info.ChainPolicyUsed(X509RevocationFlag.ExcludeRoot) &&
                    info.ChainPolicyUsed(X509RevocationMode.Online) &&
                     new AtLeastOneThumbprintInCertChain(msftThumbs).Eval(info));
     using (var client = new HttpClient(h))
     {
         await client.GetAsync("https://webapibook.blob.core.windows.net/");
     }
 }
 public void GitHub_doest_not_have_MSFT_cert_in_path()
 {
     var h = new WebRequestHandler();
     h.SetValidator(info =>
         !info.HasErrors &&
         new AtLeastOneThumbprintInCertChain(msftThumbs).Eval(info));
     using (var client = new HttpClient(h))
     {
         var exc = Assert.Throws<AggregateException>(() => client.GetAsync("https://api.github.com/").Result);
         Assert.IsType<HttpRequestException>(exc.InnerExceptions[0]);
     }
 }