fix archive path for e2e

Author: radical

tests/Shared/RepoTesting/Aspire.Testing.Repo.targets

@@ -11,7 +11,7 @@
     <GeneratedPackagesVersionsPropsPath>$(IntermediateOutputPath)Directory.Packages.Versions.props</GeneratedPackagesVersionsPropsPath>
     <RelativeStagingDir Condition="'$(RelativeStagingDir)' == '' and '$(SupportsRunningOutsideOfRepo)' == 'true'">staging-for-archive\</RelativeStagingDir>
     <RelativeStagingDir>$([MSBuild]::EnsureTrailingSlash('$(RelativeStagingDir)'))</RelativeStagingDir>
-    <TestArchiveTestsDir Condition="'$(SupportsRunningOutsideOfRepo)' == 'true'">$(TestArchiveTestsDirForPlaygroundTests)</TestArchiveTestsDir>
+    <TestArchiveTestsDir Condition="'$(TestArchiveTestsDir)' == '' and '$(SupportsRunningOutsideOfRepo)' == 'true'">$(TestArchiveTestsDirForPlaygroundTests)</TestArchiveTestsDir>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(TestsRunningOutsideOfRepo)' != 'true'">