Execute interop and template tests on latest Fx (#32510)

- restore `$(TestDependsOnAspNetRuntime)` settings
  - needed to execute on just-built Microsoft.AspNetCore.App.Runtime
- separate from `$(TestDependsOnAspNetPackages)` because App.UnitTests need only the packages
- import Helix.props when Helix.targets is imported
  - ensure necessary `$(IsTestProject)` overrides occur prior to explicit root Directory.Build.props imports

nit: use `bool` form in `Conditions` using above properties

eng/targets/Helix.props

@@ -23,6 +23,7 @@
     <LoggingTestingDisableFileLogging Condition="'$(IsHelixJob)' == 'true'">false</LoggingTestingDisableFileLogging>
     <NodeVersion>10.15.3</NodeVersion>
     <TestDependsOnAspNetPackages>false</TestDependsOnAspNetPackages>
+    <TestDependsOnAspNetRuntime>false</TestDependsOnAspNetRuntime>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETFramework'">

eng/targets/Helix.targets

@@ -16,7 +16,7 @@
   <ItemGroup Condition="'$(TestDependsOnPlaywright)' == 'true' AND '$(IsWindowsHelixQueue)' == 'true'">
     <HelixPreCommand Include="call RunPowershell.cmd installPlaywrightReqs.ps1 || exit /b 1" />
   </ItemGroup>
-  
+
   <ItemGroup Condition="'$(TestDependsOnIIS)' == 'true' AND '$(IsWindowsOnlyTest)' == 'true'">
     <HelixContent Include="$(RepoRoot)src\Servers\IIS\tools\update_schema.ps1" />
     <HelixContent Include="$(RepoRoot)src\Servers\IIS\tools\UpdateIISExpressCertificate.ps1" />
@@ -35,10 +35,15 @@
     <HelixPreCommand Include="call RunPowershell.cmd InstallNode.ps1 $(NodeVersion) || exit /b 1" />
   </ItemGroup>
 
-  <ItemGroup Condition=" '$(TestDependsOnAspNetPackages)' == 'true' ">
+  <!-- $(TestDependsOnAspNetRuntime) implies $(TestDependsOnAspNetPackages). Separate for the App.UnitTests case. -->
+  <PropertyGroup Condition=" $(TestDependsOnAspNetRuntime) AND !$(TestDependsOnAspNetPackages) ">
+    <TestDependsOnAspNetPackages>true</TestDependsOnAspNetPackages>
+  </PropertyGroup>
+  <ItemGroup Condition=" $(TestDependsOnAspNetPackages) ">
     <!-- Grab all shipping packages. -->
     <HelixContent Include="$(RepoRoot)artifacts\packages\$(Configuration)\Shipping\*$(SharedFxVersion).nupkg" />
   </ItemGroup>
+
   <ItemGroup>
     <!-- Java test projects do not use xUnit. -->
     <HelixContent Include="$(OutputPath)Microsoft.VisualStudio.TestPlatform.Extension.Xunit.Xml.TestAdapter.dll"

src/Components/Web.JS/Microsoft.AspNetCore.Components.Web.JS.npmproj

@@ -1,8 +1,11 @@
 <Project DefaultTargets="Build">
+  <PropertyGroup>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), Directory.Build.props))\Directory.Build.props" />
 
   <PropertyGroup>
-    <IsTestProject>true</IsTestProject>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 

src/Grpc/test/InteropTests/InteropTests.csproj

@@ -3,7 +3,7 @@
   <PropertyGroup>
     <ContainsFunctionalTestAssets>true</ContainsFunctionalTestAssets>
     <TargetFramework>$(DefaultNetCoreTargetFramework)</TargetFramework>
-    <TestDependsOnAspNetPackages>true</TestDependsOnAspNetPackages>
+    <TestDependsOnAspNetRuntime>true</TestDependsOnAspNetRuntime>
   </PropertyGroup>
 
   <ItemGroup>

src/ProjectTemplates/BlazorTemplates.Tests/BlazorTemplates.Tests.csproj

@@ -13,7 +13,7 @@
     <!-- TestTemplateCreationFolder is the folder where the templates will be created. Will point out to $(OutputDir)$(TestTemplateCreationFolder) -->
     <TestTemplateCreationFolder>TestTemplates\</TestTemplateCreationFolder>
     <TestPackageRestorePath>$([MSBuild]::EnsureTrailingSlash('$(RepoRoot)'))obj\template-restore\</TestPackageRestorePath>
-    <TestDependsOnAspNetPackages>true</TestDependsOnAspNetPackages>
+    <TestDependsOnAspNetRuntime>true</TestDependsOnAspNetRuntime>
     <TestDependsOnMssql>true</TestDependsOnMssql>
     <TestDependsOnPlaywright>true</TestDependsOnPlaywright>
   </PropertyGroup>

src/ProjectTemplates/test/ProjectTemplates.Tests.csproj

@@ -18,7 +18,7 @@
     <!-- TestTemplateCreationFolder is the folder where the templates will be created. Will point out to $(OutputDir)$(TestTemplateCreationFolder) -->
     <TestTemplateCreationFolder>TestTemplates\</TestTemplateCreationFolder>
     <TestPackageRestorePath>$([MSBuild]::EnsureTrailingSlash('$(RepoRoot)'))obj\template-restore\</TestPackageRestorePath>
-    <TestDependsOnAspNetPackages>true</TestDependsOnAspNetPackages>
+    <TestDependsOnAspNetRuntime>true</TestDependsOnAspNetRuntime>
   </PropertyGroup>
 
   <ItemGroup>

src/SignalR/clients/ts/client-ts.npmproj

@@ -1,10 +1,13 @@
 <Project>
+  <PropertyGroup>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), Directory.Build.props))\Directory.Build.props" />
 
   <PropertyGroup>
     <IsPackable>false</IsPackable>
     <IsBuildable>false</IsBuildable>
-    <IsTestProject>true</IsTestProject>
     <!-- Npm tests don't run on Helix currently, so we need to set this to false to still run the tests on non-Helix -->
     <BuildHelixPayload>false</BuildHelixPayload>
   </PropertyGroup>