Pass pipeline vnet to live test arm templates (#1811)

Co-authored-by: Ben Broderick Phillips <[email protected]>

eng/common/TestResources/New-TestResources.ps1

@@ -106,6 +106,15 @@ param (
 
 . $PSScriptRoot/SubConfig-Helpers.ps1
 
+$azsdkPipelineVnet = "/subscriptions/a18897a6-7e44-457d-9260-f2854c0aca42/resourceGroups/azsdk-pools/providers/Microsoft.Network/virtualNetworks/azsdk-pipeline-vnet-wus"
+$azsdkPipelineSubnets = @(
+    ($azsdkPipelineVnet + "/subnets/pipeline-subnet-ubuntu-1804-general"),
+    ($azsdkPipelineVnet + "/subnets/pipeline-subnet-ubuntu-2004-general"),
+    ($azsdkPipelineVnet + "/subnets/pipeline-subnet-ubuntu-2204-general"),
+    ($azsdkPipelineVnet + "/subnets/pipeline-subnet-win-2019-general"),
+    ($azsdkPipelineVnet + "/subnets/pipeline-subnet-win-2022-general")
+)
+
 if (!$ServicePrincipalAuth) {
     # Clear secrets if not using Service Principal auth. This prevents secrets
     # from being passed to pre- and post-scripts.
@@ -743,13 +752,15 @@ try {
     if ($ProvisionerApplicationOid) {
         $templateParameters["provisionerApplicationOid"] = "$ProvisionerApplicationOid"
     }
-
     if ($TenantId) {
         $templateParameters.Add('tenantId', $TenantId)
     }
     if ($TestApplicationSecret -and $ServicePrincipalAuth) {
         $templateParameters.Add('testApplicationSecret', $TestApplicationSecret)
     }
+    if ($CI -and $Environment -eq 'AzureCloud') {
+        $templateParameters.Add('azsdkPipelineSubnetList', $azsdkPipelineSubnets)
+    }
 
     $defaultCloudParameters = LoadCloudConfig $Environment
     MergeHashes $defaultCloudParameters $(Get-Variable templateParameters)