Specify zones for HdT e2e tests

Author: sunnylovestiramisu

test/e2e/tests/setup_e2e_test.go

@@ -38,7 +38,7 @@ var (
 	project         = flag.String("project", "", "Project to run tests in")
 	serviceAccount  = flag.String("service-account", "", "Service account to bring up instance with")
 	architecture    = flag.String("arch", "amd64", "Architecture pd csi driver build on")
-	zones           = flag.String("zones", "us-central1-c,us-central1-b", "Zones to run tests in. If there are multiple zones, separate each by comma")
+	zones           = flag.String("zones", "us-central1-c,us-central1-a", "Zones to run tests in. If there are multiple zones, separate each by comma")
 	machineType     = flag.String("machine-type", "n2-standard-2", "Type of machine to provision instance on")
 	imageURL        = flag.String("image-url", "projects/debian-cloud/global/images/family/debian-11", "OS image url to get image from")
 	runInProw       = flag.Bool("run-in-prow", false, "If true, use a Boskos loaned project and special CI service accounts and ssh keys")

test/e2e/tests/single_zone_e2e_test.go

@@ -276,6 +276,10 @@ var _ = Describe("GCE PD CSI Driver", func() {
 			client := testContext.Client
 			instance := testContext.Instance
 
+			if diskType == hdtDiskType {
+				z = "us-central1-a"
+			}
+
 			volName, _ := createAndValidateUniqueZonalDisk(client, p, z, diskType)
 
 			underSpecifiedID := common.GenerateUnderspecifiedVolumeID(volName, true /* isZonal */)