Update sample (#6012)

msbuild/custom-task-code-generation/AppSettingStronglyTyped/AppSettingStronglyTyped.Test/AppSettingStronglyTyped.Test.csproj

@@ -8,6 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.Build.Utilities.Core" Version="17.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.1.0" />
     <PackageReference Include="Moq" Version="4.16.1" />
     <PackageReference Include="MSTest.TestAdapter" Version="2.2.8" />

msbuild/custom-task-code-generation/AppSettingStronglyTyped/AppSettingStronglyTyped.sln

@@ -5,7 +5,7 @@ VisualStudioVersion = 17.0.32112.339
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AppSettingStronglyTyped", "AppSettingStronglyTyped\AppSettingStronglyTyped.csproj", "{0EDB0B2F-8086-4F4E-9413-425CB9D47185}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AppSettingStronglyTyped.Test", "AppSettingStronglyTyped.Test\AppSettingStronglyTyped.Test.csproj", "{307BBB4B-1FB2-4704-B4B0-E46476D0E779}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AppSettingStronglyTyped.Test", "AppSettingStronglyTyped.Test\AppSettingStronglyTyped.Test.csproj", "{307BBB4B-1FB2-4704-B4B0-E46476D0E779}"
 EndProject
 Global
     GlobalSection(SolutionConfigurationPlatforms) = preSolution

msbuild/custom-task-code-generation/AppSettingStronglyTyped/AppSettingStronglyTyped/AppSettingStronglyTyped.csproj

@@ -11,6 +11,10 @@
         <!-- we need the assemblies bundled, so set this so we don't expose any dependencies to the outside world -->
         <GenerateDependencyFile>true</GenerateDependencyFile>
         <TargetsForTfmSpecificBuildOutput>$(TargetsForTfmSpecificBuildOutput);CopyProjectReferencesToPackage</TargetsForTfmSpecificBuildOutput>
+        <!-- This property tells MSBuild where the root folder of the package's build assets should be. Because we are not a library package, we should not pack to 'lib'. Instead, we choose 'tasks' by convention. -->
+        <BuildOutputTargetFolder>tasks</BuildOutputTargetFolder>
+        <!-- NuGet does validation that libraries in a package are exposed as dependencies, but we _explicitly_ do not want that behavior for MSBuild tasks. They are isolated by design. Therefore we ignore this specific warning. -->
+        <NoWarn>NU5100</NoWarn>
         <DebugType>embedded</DebugType>
         <IsPackable>true</IsPackable>
     </PropertyGroup>