Fix TestAccComputeRegionNetworkEndpointGroup_regionNetworkEndpointGroupAppengineExample

Author: zli82016

mmv1/products/compute/RegionNetworkEndpointGroup.yaml

@@ -68,6 +68,7 @@ examples:
     primary_resource_id: 'appengine_neg'
     vars:
       neg_name: 'appengine-neg'
+      app-service: 'appengine-network-endpoint-group'
   - name: 'region_network_endpoint_group_appengine_empty'
     primary_resource_id: 'appengine_neg'
     vars:

mmv1/templates/terraform/examples/region_network_endpoint_group_appengine.tf.tmpl

@@ -11,7 +11,7 @@ resource "google_compute_region_network_endpoint_group" "{{$.PrimaryResourceId}}
 
 resource "google_app_engine_flexible_app_version" "{{$.PrimaryResourceId}}" {
   version_id = "v1"
-  service    = "appengine-network-endpoint-group"
+  service    = "{{index $.Vars "app-service"}}"
   runtime    = "nodejs"
   flexible_runtime_settings {
     operating_system = "ubuntu22"

mmv1/third_party/terraform/services/appengine/resource_app_engine_flexible_app_version_test.go.tmpl

@@ -14,7 +14,6 @@ import (
 )
 
 func TestAccAppEngineFlexibleAppVersion_update(t *testing.T) {
-// test
 	t.Skip("https://github.com/hashicorp/terraform-provider-google/issues/18239")
 	t.Parallel()