anchor.diff:  				ResourceName:      "google_container_cluster.primary",
   				ImportState:       true,
   				ImportStateVerify: true,
  +				ImportStateVerifyIgnore: []string{"min_master_version"},
   			},
   			// Back to basic settings to test setting Prometheus on its own
   			{
  -				Config: testAccContainerCluster_basic(clusterName),
  +				Config: testAccContainerCluster_basic_1_23_8(clusterName),
   			},
   			{
   				ResourceName:      "google_container_cluster.primary",
   				ImportState:       true,
   				ImportStateVerify: true,
  +				ImportStateVerifyIgnore: []string{"min_master_version"},
   			},
   			{
   				Config: testAccContainerCluster_withMonitoringConfigPrometheusOnly(clusterName),
  
positive.code: 				ResourceName:      "google_container_cluster.primary",
  				ImportState:       true,
  				ImportStateVerify: true,
  			},
  			{
  				Config: testAccContainerCluster_withMonitoringConfigUpdated(clusterName),
  
negative.code: 				ResourceName:      "google_container_cluster.primary",
  				ImportState:       true,
  				ImportStateVerify: true,
  				ImportStateVerifyIgnore: []string{"min_master_version"},
  			},
  			{
  				Config: testAccContainerCluster_withMonitoringConfigPrometheusUpdated(clusterName),
  