anchor.diff:  }
   
   resource "google_compute_instance_template" "instance_template" {
  -  name         = "instance-template-internal"
  +  name         = "%s"
     machine_type = "n1-standard-1"
   
     network_interface {
  
positive.code: }
  
  resource "google_compute_instance_group_manager" "igm" {
    name               = "igm-internal"
    version {
      instance_template  = "${google_compute_instance_template.instance_template.self_link}"
      name               = "primary"
  
negative.code: 		CheckDestroy: testAccCheckComputeGlobalForwardingRuleDestroy,
  		Steps: []resource.TestStep{
  			{
  				Config: testAccComputeGlobalForwardingRule_internalLoadBalancing(fr, proxy, backend, hc, urlmap, igm, it),
  			},
  			{
  				ResourceName:      "google_compute_global_forwarding_rule.forwarding_rule",
  