Codex: Exclude test tooling from package content

Author: SomeNewKid

Testing/Testing.csproj

@@ -27,6 +27,7 @@
     <Authors>Alister Jones</Authors>
     <Description>Shared functionality for Genova projects.</Description>
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
+    <IncludeContentInPack>false</IncludeContentInPack>
   </PropertyGroup>
 
   <!-- Analyzers -->
@@ -44,7 +45,9 @@
   <!-- Package References -->
   <ItemGroup>
     <PackageReference Include="AngleSharp" Version="1.3.0" />
-    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <PackageReference Include="coverlet.collector" Version="6.0.2">
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
     <PackageReference Include="coverlet.msbuild" Version="6.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
@@ -53,7 +56,9 @@
     <PackageReference Include="Genova.Crawler" Version="1.0.0-20260606-0951" />
     <PackageReference Include="Genova.Scanner" Version="1.0.0-20260606-0957" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.14" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0">
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
     <PackageReference Include="MSTest" Version="3.6.4" />
     <PackageReference Include="Reqnroll.MsTest" Version="2.4.0" />
   </ItemGroup>