skip Libuv.FunctionalTests RemoteIPv6Address on Helix (#8111)

Author: analogrelay

src/Servers/Kestrel/test/FunctionalTests/RequestTests.cs

@@ -136,6 +136,9 @@ public Task RemoteIPv4Address()
 
         [ConditionalFact]
         [IPv6SupportedCondition]
+#if LIBUV
+        [SkipOnHelix] // https://github.com/aspnet/AspNetCore/issues/8109
+#endif
         public Task RemoteIPv6Address()
         {
             return TestRemoteIPAddress("[::1]", "[::1]", "::1");

src/Servers/Kestrel/test/Libuv.FunctionalTests/Libuv.FunctionalTests.csproj

@@ -1,8 +1,9 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFramework>netcoreapp3.0</TargetFramework>
     <DefineConstants Condition="$([MSBuild]::IsOSPlatform('OSX'))">$(DefineConstants);MACOS</DefineConstants>
+    <DefineConstants>$(DefineConstants);LIBUV</DefineConstants>
     <ServerGarbageCollection>true</ServerGarbageCollection>
     <!-- Put this project into its own test group to avoid running parallel with other test projects. Libuv does not play nice with other test assemblies. -->
     <TestGroupName>Libuv.FunctionalTests</TestGroupName>
@@ -11,6 +12,7 @@
   <ItemGroup>
     <Compile Include="..\FunctionalTests\**\*.cs" />
     <Compile Include="$(SharedSourceRoot)NullScope.cs" />
+    <Compile Include="$(SharedSourceRoot)test\SkipOnHelixAttribute.cs" />
     <Compile Include="$(KestrelSharedSourceRoot)test\*.cs" LinkBase="shared" />
     <Compile Include="$(KestrelSharedSourceRoot)test\TransportTestHelpers\*.cs" LinkBase="shared\TransportTestHelpers" />
     <Content Include="$(KestrelSharedSourceRoot)test\TestCertificates\*.pfx" LinkBase="shared\TestCertificates" CopyToOutputDirectory="PreserveNewest" />