Re-created a GitHub build & test pipeline

* Updated UnitTests.csproj to use the latest MSTest.Adaptor/Framework nugets
* Use `dotnet test` to run the unit tests

.github/workflows/main.yml

@@ -0,0 +1,43 @@
+name: Build Managed
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  managed-build:
+    runs-on: windows-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+      with:
+        fetch-depth: 0 # avoid shallow clone so nbgv can do its work.
+
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v2
+      with:
+        dotnet-version: 6.0.x
+
+    - name: Setup MSBuild.exe
+      uses: microsoft/[email protected]
+
+    - name: Restore
+      run: nuget restore src\BehaviorsSdk.sln
+
+    - name: Build
+      run: msbuild src\BehaviorsSdk.sln /p:Configuration=Release /p:SignType=real
+
+    - name: Run Tests
+      run: dotnet test Test\UnitTests\UnitTests.csproj
+
+    - name: Pack Behaviors
+      if: success()
+      run: msbuild src\Microsoft.Xaml.Behaviors\Microsoft.Xaml.Behaviors.csproj /p:Configuration=Release -t:pack
+
+    - name: Upload NuGet Artifacts
+      if: success()
+      uses: actions/upload-artifact@v2
+      with:
+        path: src\Microsoft.Xaml.Behaviors\bin\Release\*.nupkg

Test/UnitTests/UnitTests.csproj

@@ -7,16 +7,17 @@
     <AssemblyName>UnitTests</AssemblyName>
     <RootNamespace>UnitTests</RootNamespace>
     <SignAssembly>true</SignAssembly>
+    <DelaySign>true</DelaySign>
     <AssemblyOriginatorKeyFile>..\UnitTests.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
 
   <ItemGroup>
      <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.5.0" />
      <PackageReference Include="MSTest.TestAdapter">
-      <Version>3.0.2</Version>
+      <Version>3.5.2</Version>
     </PackageReference>
     <PackageReference Include="MSTest.TestFramework">
-      <Version>3.0.2</Version>
+      <Version>3.5.2</Version>
     </PackageReference>
  </ItemGroup>