for _, v := range e.SearchedVersions {
		searchedVersions.Insert(schema.GroupVersion{Group: e.GroupKind.Group, Version: v}.String())
	}

	switch len(searchedVersions) {
	case 0:
		return fmt.Sprintf("no matches for kind %q in group %q", e.GroupKind.Kind, e.GroupKind.Group)
	case 1:
		return fmt.Sprintf("no matches for kind %q in version %q", e.GroupKind.Kind, searchedVersions.List()[0])
	default:

		}
	}

	return schema.GroupKind{Kind: "<unknown>"}
}

func printObj(w io.Writer, name string, operation string, shortOutput bool, groupKind schema.GroupKind) error {
	if len(groupKind.Kind) == 0 {
		return fmt.Errorf("missing kind for resource with name %v", name)
	}

	if len(operation) > 0 {
		operation = " " + operation
	}

	if shortOutput {
		operation = ""
	}

	tests := map[string]struct {
		crds             []schema.GroupKind      // CRDFinder returns these CRD's
		gvk              schema.GroupVersionKind // GVK whose OpenAPI V3 spec is checked
		queryParam       VerifiableQueryParam    // Usually "fieldValidation"
		expectedSupports bool
	}{
		"Field validation query param is supported for batch/v1/Job": {
			crds: []schema.GroupKind{},
			gvk: schema.GroupVersionKind{
				Group:   "batch",

		gvk   *GroupVersionKind
		gk    GroupKind
	}{
		{input: "Pod", gk: GroupKind{Kind: "Pod"}},
		{input: ".apps", gk: GroupKind{Group: "apps"}},
		{input: "Pod.", gk: GroupKind{Kind: "Pod"}},
		{input: "StatefulSet.apps", gk: GroupKind{Group: "apps", Kind: "StatefulSet"}},
		{input: "StatefulSet.v1.apps", gvk: &GroupVersionKind{Group: "apps", Version: "v1", Kind: "StatefulSet"}, gk: GroupKind{Group: "v1.apps", Kind: "StatefulSet"}},
	}

}
func gk(group, kind string) schema.GroupKind {
	return schema.GroupKind{Group: group, Kind: kind}
}

func TestCoercingMultiGroupVersioner(t *testing.T) {
	testcases := []struct {
		name           string
		target         schema.GroupVersion
		preferredKinds []schema.GroupKind
		kinds          []schema.GroupVersionKind
		expectKind     schema.GroupVersionKind

					{Kind: rbacv1.UserKind, Name: "foobar"},
					{Kind: rbacv1.GroupKind, Name: "group1"},
				},
				RoleRef: rbacv1.RoleRef{APIGroup: rbacv1.GroupName, Kind: "Role", Name: "readthings"},
			},
		},
		clusterRoleBindings: []*rbacv1.ClusterRoleBinding{
			{
				Subjects: []rbacv1.Subject{
					{Kind: rbacv1.UserKind, Name: "admin"},
					{Kind: rbacv1.GroupKind, Name: "admin"},
				},

	Name string `json:"name" protobuf:"bytes,3,opt,name=name"`
}

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

// Role is a namespaced, logical grouping of PolicyRules that can be referenced as a unit by a RoleBinding.
// Deprecated in v1.17 in favor of rbac.authorization.k8s.io/v1 Role, and will no longer be served in v1.22.
type Role struct {
	metav1.TypeMeta `json:",inline"`

}

// +genclient
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// +k8s:prerelease-lifecycle-gen:introduced=1.8

// Role is a namespaced, logical grouping of PolicyRules that can be referenced as a unit by a RoleBinding.
type Role struct {
	metav1.TypeMeta `json:",inline"`
	// Standard object's metadata.
	// +optional

			input:  schema.GroupKind{Kind: "Foo"},
			err:    &NoKindMatchError{GroupKind: schema.GroupKind{Kind: "Foo"}},
		},
		{
			name:   "accept first failure",
			mapper: PriorityRESTMapper{Delegate: MultiRESTMapper{fixedRESTMapper{err: errors.New("fail on this")}, fixedRESTMapper{mappings: []*RESTMapping{mapping1}}}},
			input:  schema.GroupKind{Kind: "Foo"},

				RoleRef: rbac.RoleRef{
					APIGroup: rbac.GroupName,
					Kind:     "ClusterRole",
					Name:     constants.NodeBootstrapperClusterRoleName,
				},
				Subjects: []rbac.Subject{
					{
						Kind: rbac.GroupKind,
						Name: constants.NodeBootstrapTokenAuthGroup,
					},
				},
			}),
		},
		{
			name: "Create new ClusterRoleBindings",
			client: newMockClusterRoleBinddingClientForTest(t, &rbac.ClusterRoleBinding{