Skip HttpsConnectionFilterTests.ClientCertificateValidationGetsCalledWithNotNullParameters.

Author: Cesar Blum Silveira

test/Microsoft.AspNetCore.Server.KestrelTests/HttpsConnectionFilterTests.cs

@@ -17,6 +17,7 @@
 using Microsoft.AspNetCore.Server.Kestrel.Https;
 using Microsoft.AspNetCore.Server.Kestrel.Internal.Infrastructure;
 using Microsoft.AspNetCore.Testing;
+using Microsoft.AspNetCore.Testing.xunit;
 using Microsoft.Extensions.Internal;
 using Microsoft.Extensions.Logging;
 using Moq;
@@ -210,7 +211,9 @@ public async Task DoesNotSupportTls10()
             }
         }
 
-        [Theory]
+        [ConditionalTheory]
+        [OSSkipCondition(OperatingSystems.Linux, SkipReason = "Test leaks memory blocks due to WriteAsync() hang on SslStream (https://github.com/dotnet/corefx/issues/13369).")]
+        [OSSkipCondition(OperatingSystems.MacOSX, SkipReason = "Test leaks memory blocks due to WriteAsync() hang on SslStream (https://github.com/dotnet/corefx/issues/13369).")]
         [InlineData(ClientCertificateMode.AllowCertificate)]
         [InlineData(ClientCertificateMode.RequireCertificate)]
         public async Task ClientCertificateValidationGetsCalledWithNotNullParameters(ClientCertificateMode mode)