chore: switch region for gpu quota (#1138)

* chore: switch region for gpu quota

* fix test to interpolate location

Author: bharathkkb

test/fixtures/node_pool/example.tf

@@ -19,8 +19,8 @@ module "example" {
 
   project_id                     = var.project_ids[0]
   cluster_name_suffix            = "-${random_string.suffix.result}"
-  region                         = var.region
-  zones                          = slice(var.zones, 0, 1)
+  region                         = "europe-west4"
+  zones                          = ["europe-west4-a"]
   network                        = google_compute_network.main.name
   subnetwork                     = google_compute_subnetwork.main.name
   ip_range_pods                  = google_compute_subnetwork.main.secondary_ip_range[0].range_name

test/fixtures/node_pool/network.tf

@@ -32,7 +32,7 @@ resource "google_compute_network" "main" {
 resource "google_compute_subnetwork" "main" {
   name          = "cft-gke-test-${random_string.suffix.result}"
   ip_cidr_range = "10.0.0.0/17"
-  region        = var.region
+  region        = "europe-west4"
   network       = google_compute_network.main.self_link
 
   secondary_ip_range {

test/integration/node_pool/controls/gcloud.rb

@@ -514,8 +514,8 @@
         including(
           "name" => "pool-03",
           "locations" => match_array([
-            "us-central1-b",
-            "us-central1-c",
+            "#{location}-b",
+            "#{location}-c",
           ]),
         )
       )