updating chart.yaml for stress-test-addons (Azure#21650)

Co-authored-by: Albert Cheng <albertcheng@microsoft.com>

Author: azure-sdk

eng/common/scripts/stress-testing/deploy-stress-tests.ps1

@@ -156,6 +156,7 @@ function DeployStressPackage(
 
     Write-Host "Creating namespace $($pkg.Namespace) if it does not exist..."
     kubectl create namespace $pkg.Namespace --dry-run=client -o yaml | kubectl apply -f -
+    if ($LASTEXITCODE) {exit $LASTEXITCODE}
 
     Write-Host "Installing or upgrading stress test $($pkg.ReleaseName) from $($pkg.Directory)"
     Run helm upgrade $pkg.ReleaseName $pkg.Directory `

eng/common/scripts/stress-testing/find-all-stress-packages.ps1

@@ -49,7 +49,7 @@ function NewStressTestPackageInfo([hashtable]$chart, [System.IO.FileInfo]$chartF
     }
 
     return [StressTestPackageInfo]@{
-        Namespace = $namespace
+        Namespace = $namespace.ToLower()
         Directory = $chartFile.DirectoryName
         ReleaseName = $chart.name
     }