Enable tests on .NET 10

This also does the following:

- adds the xunit.runner.visualstudio that is needed to run tests in Visual Studio (got deleted at some point).
- Organize the dependabot updates by groups

Author: twsouthwick

.github/dependabot.yml

@@ -9,6 +9,29 @@ updates:
     directory: "/"
     schedule:
       interval: "daily"
+    groups:
+      test-dependencies:
+        patterns:
+          - "xunit.*"
+          - "NSubstitute"
+          - "coverlet.*"
+          - "Microsoft.NET.Test.Sdk"
+          - "Microsoft.Testing.Extensions.*"
+          - "NuGet.*"
+      analyzers:
+        patterns:
+          - "Microsoft.CodeAnalysis*"
+      stylecop:
+        patterns:
+          - "StyleCop.*"
+      benchmarks:
+        patterns:
+          - "BenchmarkDotNet*"
+          - "ObjectLayoutInspector"
+      dotnet-libraries:
+        patterns:
+          - "Microsoft.Bcl.*"
+          - "System.*"
 
   - package-ecosystem: "github-actions"
     # Workflow files stored in the default location of `.github/workflows`. (You don't need to specify `/.github/workflows` for `directory`. You can use `directory: "/"`.)

Directory.Build.props

@@ -65,10 +65,10 @@
         <ProductTargetFrameworks>netstandard2.0;net10.0;net8.0;net35;net40;net46</ProductTargetFrameworks>
         <FrameworkTargetFrameworks>netstandard2.0;net10.0;net6.0;net8.0;net35;net40;net46</FrameworkTargetFrameworks>
         <AssetsTargetFrameworks>netstandard2.0;net472</AssetsTargetFrameworks>
-        <TestTargetFrameworks>net8.0</TestTargetFrameworks>
+        <TestTargetFrameworks>net8.0;net10.0</TestTargetFrameworks>
         <TestTargetFrameworks Condition=" '$(OS)' == 'Windows_NT' ">$(TestTargetFrameworks);net472</TestTargetFrameworks>
-        <LatestTargetFramework>net8.0</LatestTargetFramework>
-        <SamplesFrameworks>net8.0</SamplesFrameworks>
+        <LatestTargetFramework>net10.0</LatestTargetFramework>
+        <SamplesFrameworks>net8.0;net10.0</SamplesFrameworks>
         <SamplesFrameworks Condition=" '$(OS)' == 'Windows_NT' ">$(SamplesFrameworks);net472</SamplesFrameworks>
         <DefineConstants Condition=" '$(TargetFramework)' != 'net35' And '$(TargetFramework)' != 'net40' And '$(TargetFramework)' != 'net46' And '$(TargetFramework)' != 'net472' ">$(DefineConstants);FEATURE_ASYNC_SAX_XML</DefineConstants>
       </PropertyGroup>

Directory.Packages.props

@@ -32,6 +32,7 @@
     <PackageVersion Include="System.Text.Json" Version="9.0.0" />
     <PackageVersion Include="System.Xml.ReaderWriter" Version="4.3.1" />
     <PackageVersion Include="System.ValueTuple" Version="4.6.1" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
     <PackageVersion Include="xunit.v3.mtp-v2" Version="3.2.1" />
   </ItemGroup>
 </Project>

test/Directory.Build.targets

@@ -24,6 +24,10 @@
         <PackageReference Include="Microsoft.NET.Test.Sdk" />
         <PackageReference Include="Microsoft.Testing.Extensions.CodeCoverage" />
         <PackageReference Include="xunit.v3.mtp-v2" />
+        <PackageReference Include="xunit.runner.visualstudio">
+          <PrivateAssets>all</PrivateAssets>
+          <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+        </PackageReference>
       </ItemGroup>
     </When>
   </Choose>