Fix System.Xml.XDocument configuration and have its new API tests run only on netcoreapp1.1

Commit migrated from https://github.com/dotnet/corefx/commit/8de1f50345d369a7fc18f0459361563fa356721b

src/libraries/System.Private.Xml.Linq/tests/System.Private.Xml.Linq.Tests.builds

@@ -13,8 +13,16 @@
       <TestTFMs>netcore50;net46</TestTFMs>
     </Project>
     <Project Include="misc\System.Xml.Linq.Misc.Tests.csproj" />
+    <Project Include="misc\System.Xml.Linq.Misc.Tests.csproj">
+      <TargetGroup>netcoreapp1.1</TargetGroup>
+    </Project>
+    <Project Include="misc\System.Xml.Linq.Misc.Tests.csproj">
+      <OSGroup>Windows_NT</OSGroup>
+      <TestTFMs>net463</TestTFMs>
+    </Project>
     <Project Include="misc\System.Xml.Linq.Misc.Tests.csproj">
       <OSGroup>Windows_NT</OSGroup>
+      <TargetGroup>netstandard1.3</TargetGroup>
       <TestTFMs>netcore50;net46</TestTFMs>
     </Project>
     <Project Include="Properties\System.Xml.Linq.Properties.Tests.csproj" />
@@ -35,6 +43,7 @@
     <Project Include="TreeManipulation\System.Xml.Linq.TreeManipulation.Tests.csproj" />
     <Project Include="TreeManipulation\System.Xml.Linq.TreeManipulation.Tests.csproj">
       <OSGroup>Windows_NT</OSGroup>
+      <TargetGroup>netstandard1.3</TargetGroup>
       <TestTFMs>netcore50;net46</TestTFMs>
     </Project>
     <Project Include="XDocument.Common\XDocument.Common.csproj" />

src/libraries/System.Private.Xml.Linq/tests/misc/LoadSaveAsyncTests.cs

@@ -16,7 +16,6 @@ namespace CoreXml.Test.XLinq
 {
     public class LoadSaveAsyncTests : BridgeHelpers
     {
-        [SkipOnTargetFramework(TargetFrameworkMonikers.NetFramework, "Async methods defined only on Core")]
         [Fact]
         public static void ArgumentValidation()
         {
@@ -27,7 +26,6 @@ public static void ArgumentValidation()
             Assert.Throws<ArgumentNullException>(() => { new XElement("Name").SaveAsync((XmlWriter)null, CancellationToken.None); });
         }
 
-        [SkipOnTargetFramework(TargetFrameworkMonikers.NetFramework, "Async methods defined only on Core")]
         [Fact]
         public static async Task AlreadyCanceled()
         {
@@ -50,7 +48,6 @@ public static async Task AlreadyCanceled()
             await Assert.ThrowsAnyAsync<OperationCanceledException>(() => new XElement("Name").SaveAsync(XmlWriter.Create(Stream.Null), new CancellationToken(true)));
         }
 
-        [SkipOnTargetFramework(TargetFrameworkMonikers.NetFramework, "Async methods defined only on Core")]
         [Theory]
         [MemberData("RoundtripOptions_MemberData")]
         public static async Task RoundtripSyncAsyncMatches_XmlReader(bool document, LoadOptions loadOptions, SaveOptions saveOptions)
@@ -108,7 +105,6 @@ public static async Task RoundtripSyncAsyncMatches_XmlReader(bool document, Load
             Assert.Equal(syncOutput.ToArray(), asyncOutput.ToArray());
         }
 
-        [SkipOnTargetFramework(TargetFrameworkMonikers.NetFramework, "Async methods defined only on Core")]
         [Theory]
         [MemberData("RoundtripOptions_MemberData")]
         public static async Task RoundtripSyncAsyncMatches_StreamReader(bool document, LoadOptions loadOptions, SaveOptions saveOptions)
@@ -151,7 +147,6 @@ public static async Task RoundtripSyncAsyncMatches_StreamReader(bool document, L
             Assert.Equal(syncOutput.ToArray(), asyncOutput.ToArray());
         }
 
-        [SkipOnTargetFramework(TargetFrameworkMonikers.NetFramework, "Async methods defined only on Core")]
         [Theory]
         [MemberData("RoundtripOptions_MemberData")]
         public static async Task RoundtripSyncAsyncMatches_Stream(bool document, LoadOptions loadOptions, SaveOptions saveOptions)

src/libraries/System.Private.Xml.Linq/tests/misc/System.Xml.Linq.Misc.Tests.csproj

@@ -23,7 +23,7 @@
     <Compile Include="XHashtable.cs" />
     <Compile Include="XLinqErrata4.cs" />
     <Compile Include="XNameAPI.cs" />
-    <Compile Include="LoadSaveAsyncTests.cs" Condition="'$(TargetGroup)'==''" />
+    <Compile Include="LoadSaveAsyncTests.cs" Condition="'$(TargetGroup)'=='netcoreapp1.1'" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="$(CommonTestPath)\System\Xml\ModuleCore\ModuleCore.csproj" />

src/libraries/System.Xml.XDocument/src/ApiCompatBaseline.net463.txt

-Compat issues with assembly System.Xml.XDocument:
-MembersMustExist : Member 'System.Xml.Linq.XCData.WriteToAsync(System.Xml.XmlWriter, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XComment.WriteToAsync(System.Xml.XmlWriter, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XDocument.LoadAsync(System.IO.Stream, System.Xml.Linq.LoadOptions, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XDocument.LoadAsync(System.IO.TextReader, System.Xml.Linq.LoadOptions, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XDocument.LoadAsync(System.Xml.XmlReader, System.Xml.Linq.LoadOptions, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XDocument.SaveAsync(System.IO.Stream, System.Xml.Linq.SaveOptions, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XDocument.SaveAsync(System.IO.TextWriter, System.Xml.Linq.SaveOptions, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XDocument.SaveAsync(System.Xml.XmlWriter, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XDocument.WriteToAsync(System.Xml.XmlWriter, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XDocumentType.WriteToAsync(System.Xml.XmlWriter, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XElement.LoadAsync(System.IO.Stream, System.Xml.Linq.LoadOptions, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XElement.LoadAsync(System.IO.TextReader, System.Xml.Linq.LoadOptions, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XElement.LoadAsync(System.Xml.XmlReader, System.Xml.Linq.LoadOptions, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XElement.SaveAsync(System.IO.Stream, System.Xml.Linq.SaveOptions, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XElement.SaveAsync(System.IO.TextWriter, System.Xml.Linq.SaveOptions, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XElement.SaveAsync(System.Xml.XmlWriter, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XElement.WriteToAsync(System.Xml.XmlWriter, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XNode.ReadFromAsync(System.Xml.XmlReader, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XNode.WriteToAsync(System.Xml.XmlWriter, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XProcessingInstruction.WriteToAsync(System.Xml.XmlWriter, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-MembersMustExist : Member 'System.Xml.Linq.XText.WriteToAsync(System.Xml.XmlWriter, System.Threading.CancellationToken)' does not exist in the implementation but it does exist in the contract.
-Total Issues: 21
\ No newline at end of file

src/libraries/System.Xml.XDocument/src/System.Xml.XDocument.csproj

@@ -14,6 +14,11 @@
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'net463_Debug|AnyCPU'" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'net463_Release|AnyCPU'" />
+  <ItemGroup Condition="'$(TargetGroup)' == 'net463'">
+    <ContractProject Include="..\ref\System.Xml.XDocument.csproj">
+      <TargetGroup>netstandard1.7</TargetGroup>
+    </ContractProject>
+  </ItemGroup>
   <ItemGroup Condition="'$(TargetGroup)' != 'net463'">
     <ProjectReference Include="..\..\System.Private.Xml.Linq\src\System.Private.Xml.Linq.csproj" />
     <ProjectReference Include="..\..\System.Private.Xml\src\System.Private.Xml.csproj">