Set the culture to fix issue Azure#15033 (Azure#15064)

Author: dolauli

src/DesktopVirtualization/test/New-AzWvdScalingPlan.Tests.ps1

@@ -18,8 +18,9 @@ $resourceGroup = 'jehurren-westcentralus'
 $resourceLocation = 'westcentralus'
 
 Describe 'New-AzWvdScalingPlan' {
-    It 'CreateExpanded' -skip {
+    It 'CreateExpanded' {
         try {
+            [System.Threading.Thread]::CurrentThread.CurrentCulture = 'en-US'
             $scalingPlan = New-AzWvdScalingPlan `
                 -SubscriptionId $env.SubscriptionId `
                 -ResourceGroupName $resourceGroup `