diff --git a/tools/Get-ArtifactsStagingDirectory.ps1 b/tools/Get-ArtifactsStagingDirectory.ps1
index 391e5713..18967f4c 100644
--- a/tools/Get-ArtifactsStagingDirectory.ps1
+++ b/tools/Get-ArtifactsStagingDirectory.ps1
@@ -4,7 +4,7 @@ Param(
 if ($env:BUILD_ARTIFACTSTAGINGDIRECTORY) {
     $ArtifactStagingFolder = $env:BUILD_ARTIFACTSTAGINGDIRECTORY
 } elseif ($env:RUNNER_TEMP) {
-    $ArtifactStagingFolder = "$env:RUNNER_TEMP\_artifacts"
+    $ArtifactStagingFolder = Join-Path $env:RUNNER_TEMP _artifacts
 } else {
     $ArtifactStagingFolder = [System.IO.Path]::GetFullPath("$PSScriptRoot/../obj/_artifacts")
     if ($CleanIfLocal -and (Test-Path $ArtifactStagingFolder)) {
diff --git a/tools/artifacts/testResults.ps1 b/tools/artifacts/testResults.ps1
index 07146957..519a63c0 100644
--- a/tools/artifacts/testResults.ps1
+++ b/tools/artifacts/testResults.ps1
@@ -10,7 +10,7 @@ $result[$testRoot] = (Get-ChildItem "$testRoot\TestResults" -Recurse -Directory
 $artifactStaging = & "$PSScriptRoot\..\Get-ArtifactsStagingDirectory.ps1"
 $testlogsPath = Join-Path $artifactStaging "test_logs"
 if (Test-Path $testlogsPath) {
-    $result[$testlogsPath] = Get-ChildItem "$testlogsPath\*";
+    $result[$testlogsPath] = Get-ChildItem $testlogsPath -Recurse;
 }
 
 $result
diff --git a/tools/dotnet-test-cloud.ps1 b/tools/dotnet-test-cloud.ps1
index 33ff3d7c..10cd4311 100644
--- a/tools/dotnet-test-cloud.ps1
+++ b/tools/dotnet-test-cloud.ps1
@@ -44,6 +44,9 @@ if ($x86) {
   }
 }
 
+$testBinLog = Join-Path $ArtifactStagingFolder (Join-Path build_logs test.binlog)
+$testDiagLog = Join-Path $ArtifactStagingFolder (Join-Path test_logs diag.log)
+
 & $dotnet test $RepoRoot `
     --no-build `
     -c $Configuration `
@@ -52,8 +55,8 @@ if ($x86) {
     --settings "$PSScriptRoot/test.runsettings" `
     --blame-hang-timeout 60s `
     --blame-crash `
-    -bl:"$ArtifactStagingFolder/build_logs/test.binlog" `
-    --diag "$ArtifactStagingFolder/test_logs/diag.log;TraceLevel=info" `
+    -bl:"$testBinLog" `
+    --diag "$testDiagLog;TraceLevel=info" `
     --logger trx `
 
 $unknownCounter = 0