anchor.diff:  				ImportStateVerify:   true,
   			},
   		},
  -	})
  +	}, testAccCheckContainerClusterDestroyProducer)
   }
   
   func TestAccContainerCluster_withNetworkPolicyEnabled(t *testing.T) {
   	t.Parallel()
   
  -	clusterName := fmt.Sprintf("tf-test-cluster-%s", acctest.RandString(10))
  -
  -	resource.Test(t, resource.TestCase{
  +	clusterName := fmt.Sprintf("tf-test-cluster-%s", randString(t, 10))
  +
  +	vcrTest(t, resource.TestCase{
   		PreCheck:	  func() { testAccPreCheck(t) },
   		Providers:	  testAccProviders,
   		CheckDestroy: testAccCheckContainerClusterDestroy,
  
positive.code: 				ImportStateVerify:   true,
  			},
  		},
  	})
  }
  
  func TestAccContainerCluster_regional(t *testing.T) {
  	t.Parallel()
  
  	clusterName := fmt.Sprintf("tf-test-cluster-regional-%s", acctest.RandString(10))
  
  	resource.Test(t, resource.TestCase{
  		PreCheck:	  func() { testAccPreCheck(t) },
  		Providers:	  testAccProviders,
  		CheckDestroy: testAccCheckContainerClusterDestroy,
  
negative.code: func TestAccContainerCluster_withMasterAuthConfig_NoCert(t *testing.T) {
  	t.Parallel()
  
  	clusterName := fmt.Sprintf("tf-test-cluster-%s", randString(t, 10))
  
  	vcrTest(t, resource.TestCase{
  		PreCheck:	  func() { testAccPreCheck(t) },
  		Providers:	  testAccProviders,
  		CheckDestroy: testAccCheckContainerClusterDestroy,
  