anchor.diff:  
   	project := getTestProjectFromEnv()
   	acceleratorType := "nvidia-tesla-k80"
  -
  -	resource.Test(t, resource.TestCase{
  -		PreCheck:     func() { testAccPreCheck(t) },
  -		Providers:    testAccProviders,
  -		CheckDestroy: testAccCheckDataprocClusterDestroy(),
  -		Steps: []resource.TestStep{
  -			{
  -				Config: testAccDataprocCluster_withAccelerators(rnd, acceleratorType),
  +	zone := "us-central1-c"
  +
  +	resource.Test(t, resource.TestCase{
  +		PreCheck:     func() { testAccPreCheck(t) },
  +		Providers:    testAccProviders,
  +		CheckDestroy: testAccCheckDataprocClusterDestroy(),
  +		Steps: []resource.TestStep{
  +			{
  +				Config: testAccDataprocCluster_withAccelerators(rnd, acceleratorType, zone),
   				Check: resource.ComposeTestCheckFunc(
   					testAccCheckDataprocClusterExists("google_dataproc_cluster.accelerated_cluster", &cluster),
   					testAccCheckDataprocClusterAccelerator(&cluster, project, 1, 1),
  
positive.code:     }
    }
  }
  `, rnd, acceleratorType, acceleratorType)
  }
  
  func testAccDataprocCluster_withInternalIpOnlyTrue(rnd string) string {
  
negative.code: `, rnd)
  }
  
  func testAccDataprocCluster_withAccelerators(rnd, acceleratorType, zone string) string {
  	return fmt.Sprintf(`
  resource "google_dataproc_cluster" "accelerated_cluster" {
    name   = "dproc-cluster-test-%s"
    region = "us-central1"
  
    cluster_config {
      gce_cluster_config {
        zone = "%s"
      }
  
      master_config {
        accelerators {
          accelerator_type  = "%s"
  