Enable target framework attribute on test assemblies (#39806)

diff --git a/Directory.Build.props b/Directory.Build.props
index 5e9fdb6..9f8d8b5 100644 (file)
--- a/Directory.Build.props
+++ b/Directory.Build.props
@@ -246,7 +246,8 @@
     <NoStdLib>true</NoStdLib>
     <NoExplicitReferenceToStdLib>true</NoExplicitReferenceToStdLib>
     <AddAdditionalExplicitAssemblyReferences>false</AddAdditionalExplicitAssemblyReferences>
-    <GenerateTargetFrameworkAttribute>false</GenerateTargetFrameworkAttribute>
+    <!-- Enable the target framework attribute on test assemblies as vstest relies on that property. -->
+    <GenerateTargetFrameworkAttribute Condition="'$(IsTestProject)' != 'true'">false</GenerateTargetFrameworkAttribute>
     <CopyNuGetImplementations>false</CopyNuGetImplementations>
     <!-- Don't reference implicit framework packages, all projects in this repo must be explicit -->
     <DisableImplicitFrameworkReferences>true</DisableImplicitFrameworkReferences>