fix fixture inputs

Author: tuunit

Diff for: test/fixtures/simple_regional_with_gateway_api/example.tf

@@ -17,7 +17,15 @@
 module "example" {
   source = "../../../examples/simple_regional_with_gateway_api"
 
-  project_id          = var.project_ids[1]
-  region              = var.region
-  gateway_api_channel = "CHANNEL_STANDARD"
+  project_id                     = var.project_ids[1]
+  cluster_name_suffix            = "-${random_string.suffix.result}"
+  region                         = var.region
+  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
+  ip_range_services              = google_compute_subnetwork.main.secondary_ip_range[1].range_name
+  compute_engine_service_account = var.compute_engine_service_accounts[0]
+  skip_provisioners              = true
+  enable_binary_authorization    = true
+  gateway_api_channel            = "CHANNEL_STANDARD"
 }

Diff for: test/fixtures/simple_regional_with_gateway_api/variables.tf

@@ -23,8 +23,3 @@ variable "region" {
   description = "The region to host the cluster in"
   default     = "us-east4"
 }
-
-variable "gateway_api_channel" {
-  type        = string
-  description = "The gateway api channel of this cluster."
-}