anchor.diff:  
       worker_config {
         num_instances = 3
  -      machine_type  = "n1-standard-1"  // can't be e2 because of min_cpu_platform
  +      machine_type  = "n1-standard-2"  // can't be e2 because of min_cpu_platform
         disk_config {
           boot_disk_type    = "pd-standard"
           boot_disk_size_gb = 32
  
positive.code: 			{"cluster_config.0.master_config.0.disk_config.0.boot_disk_size_gb", "30", strconv.Itoa(int(cluster.Config.MasterConfig.DiskConfig.BootDiskSizeGb))},
  			{"cluster_config.0.master_config.0.disk_config.0.num_local_ssds", "0", strconv.Itoa(int(cluster.Config.MasterConfig.DiskConfig.NumLocalSsds))},
  			{"cluster_config.0.master_config.0.disk_config.0.boot_disk_type", "pd-ssd", cluster.Config.MasterConfig.DiskConfig.BootDiskType},
  			{"cluster_config.0.master_config.0.machine_type", "n1-standard-1", GetResourceNameFromSelfLink(cluster.Config.MasterConfig.MachineTypeUri)},
  			{"cluster_config.0.master_config.0.instance_names.#", "3", strconv.Itoa(len(cluster.Config.MasterConfig.InstanceNames))},
  			{"cluster_config.0.master_config.0.min_cpu_platform", "Intel Skylake", cluster.Config.MasterConfig.MinCpuPlatform},
  
  
negative.code:   cluster_config {
      master_config {
        num_instances = 3
        machine_type  = "n1-standard-2"  // can't be e2 because of min_cpu_platform
        disk_config {
          boot_disk_type    = "pd-ssd"
          boot_disk_size_gb = 30
  