Fix test project configuration - add IsTestProject property to enable test execution

Copilot · danielgerlag · Copilot · commit 219b0103d364 · 2025-10-05T19:51:08.000Z
Co-authored-by: danielgerlag &lt;2357007+danielgerlag@users.noreply.github.com&gt;
diff --git a/test/Directory.Build.props b/test/Directory.Build.props
@@ -3,6 +3,7 @@
         <TargetFrameworks>net6.0;net8.0</TargetFrameworks>
         <LangVersion>latest</LangVersion>
         <IsPackable>false</IsPackable>
+        <IsTestProject>true</IsTestProject>
     </PropertyGroup>
 
     <ItemGroup>
