preemptLowerPriority := core.PreemptLowerPriority
	preemptNever := core.PreemptNever

	old := scheduling.PriorityClass{
		ObjectMeta:       metav1.ObjectMeta{Name: "tier1", Namespace: "", ResourceVersion: "1"},
		Value:            100,
		PreemptionPolicy: &preemptLowerPriority,
	}
	successCases := map[string]scheduling.PriorityClass{
		"no change": {
			ObjectMeta:       metav1.ObjectMeta{Name: "tier1", Namespace: "", ResourceVersion: "2"},

{
  "apiVersion": "v1",
  "groupVersion": "scheduling.k8s.io/v1",
  "kind": "APIResourceList",
  "resources": [
    {
      "kind": "PriorityClass",
      "name": "priorityclasses",
      "namespaced": false,
      "shortNames": [
        "pc"
      ],
      "singularName": "priorityclass",
      "storageVersionHash": "1QwjyaZjj3Y=",
      "verbs": [
        "create",
        "delete",
        "deletecollection",
        "get",

option go_package = "k8s.io/api/scheduling/v1alpha1";

// DEPRECATED - This group version of PriorityClass is deprecated by scheduling.k8s.io/v1/PriorityClass.
// PriorityClass defines mapping from a priority class name to the priority
// integer value. The value can be any valid integer.
message PriorityClass {
  // Standard object's metadata.

)

// ValidatePriorityClass tests whether required fields in the PriorityClass are
// set correctly.
func ValidatePriorityClass(pc *scheduling.PriorityClass) field.ErrorList {
	allErrs := field.ErrorList{}
	allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&pc.ObjectMeta, false, apimachineryvalidation.NameIsDNSSubdomain, field.NewPath("metadata"))...)
	// If the priorityClass starts with a system prefix, it must be one of the

		NewListFunc:               func() runtime.Object { return &scheduling.PriorityClassList{} },
		DefaultQualifiedResource:  scheduling.Resource("priorityclasses"),
		SingularQualifiedResource: scheduling.Resource("priorityclass"),

		CreateStrategy: priorityclass.Strategy,
		UpdateStrategy: priorityclass.Strategy,
		DeleteStrategy: priorityclass.Strategy,

// AUTO-GENERATED FUNCTIONS START HERE. DO NOT EDIT.
var map_PriorityClass = map[string]string{
	"":                 "DEPRECATED - This group version of PriorityClass is deprecated by scheduling.k8s.io/v1/PriorityClass. PriorityClass defines mapping from a priority class name to the priority integer value. The value can be any valid integer.",

// +k8s:prerelease-lifecycle-gen:replacement=scheduling.k8s.io,v1,PriorityClass

// DEPRECATED - This group version of PriorityClass is deprecated by scheduling.k8s.io/v1/PriorityClass.
// PriorityClass defines mapping from a priority class name to the priority
// integer value. The value can be any valid integer.
type PriorityClass struct {
	metav1.TypeMeta `json:",inline"`
	// Standard object's metadata.

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

// DEPRECATED - This group version of PriorityClass is deprecated by scheduling.k8s.io/v1/PriorityClass.
// PriorityClass defines mapping from a priority class name to the priority
// integer value. The value can be any valid integer.
type PriorityClass struct {
	metav1.TypeMeta `json:",inline"`
	// Standard object's metadata.

option go_package = "k8s.io/api/scheduling/v1beta1";

// DEPRECATED - This group version of PriorityClass is deprecated by scheduling.k8s.io/v1/PriorityClass.
// PriorityClass defines mapping from a priority class name to the priority
// integer value. The value can be any valid integer.
message PriorityClass {
  // Standard object's metadata.

option go_package = "k8s.io/api/scheduling/v1beta1";

// DEPRECATED - This group version of PriorityClass is deprecated by scheduling.k8s.io/v1/PriorityClass.
// PriorityClass defines mapping from a priority class name to the priority
// integer value. The value can be any valid integer.
message PriorityClass {
  // Standard object's metadata.