Update Playwright, improve E2E test reliability, add scripts to deploy test resources (#1857)

test/scripts/check-test-accounts.ps1

@@ -0,0 +1,22 @@
+Write-Host "Your test account configuration:"
+
+Import-Module "Az.Accounts" -Scope Local
+Import-Module "Az.Resources" -Scope Local
+
+Get-ChildItem env:\DE_TEST_* | ForEach-Object {
+    if ($_.Name -eq "DE_TEST_SUBSCRIPTION_ID") {
+        $AzSubscription = Get-AzSubscription -SubscriptionId $_.Value -ErrorAction SilentlyContinue | Select-Object -First 1
+        if (-not $AzSubscription) {
+            Write-Warning "The subscription '$($_.Value)' could not be found."
+        }
+        Write-Host "* $($_.Name): $($_.Value) ($($AzSubscription.Name))"
+    } elseif ($_.Name -eq "DE_TEST_RESOURCE_GROUP") {
+        $AzResourceGroup = Get-AzResourceGroup -Name $_.Value -ErrorAction SilentlyContinue
+        if (-not $AzResourceGroup) {
+            Write-Warning "The resource group '$($_.Value)' could not be found."
+        }
+        Write-Host "* $($_.Name): $($_.Value) (Confirmed)"
+    } else {
+        Write-Host "* $($_.Name): $($_.Value)"
+    }
+}