groupKind: schema.GroupKind{Kind: "Foo"},
			versions:  []string{"v1beta"},
			result:    nil,
			err:       &NoKindMatchError{GroupKind: schema.GroupKind{Kind: "Foo"}, SearchedVersions: []string{"v1beta"}},
		},
		{
			name:      "empty with multi(two) vesions",
			mapper:    MultiRESTMapper{},
			groupKind: schema.GroupKind{Kind: "Foo"},
			versions:  []string{"v1beta", "v2"},
			result:    nil,

	// then optionally the string "alpha" or "beta" and another number (the minor version). These are sorted first
	// by GA > beta > alpha (where GA is a version with no suffix such as beta or alpha), and then by comparing
	// major version, then minor version. An example sorted list of versions:
	// v10, v2, v1, v11beta2, v10beta3, v3beta1, v12alpha1, v11alpha2, foo1, foo10.
	Versions []CustomResourceDefinitionVersion

	// then optionally the string "alpha" or "beta" and another number (the minor version). These are sorted first
	// by GA > beta > alpha (where GA is a version with no suffix such as beta or alpha), and then by comparing
	// major version, then minor version. An example sorted list of versions:
	// v10, v2, v1, v11beta2, v10beta3, v3beta1, v12alpha1, v11alpha2, foo1, foo10.
	// +optional
	// +listType=atomic

  // then optionally the string "alpha" or "beta" and another number (the minor version). These are sorted first
  // by GA > beta > alpha (where GA is a version with no suffix such as beta or alpha), and then by comparing
  // major version, then minor version. An example sorted list of versions:
  // v10, v2, v1, v11beta2, v10beta3, v3beta1, v12alpha1, v11alpha2, foo1, foo10.
  // +optional
  // +listType=atomic

		{Group: "extensions", Version: "v1beta1", Kind: "DeploymentList"}:                                          {},
		{Group: "apps", Version: "v1beta1", Kind: "Deployment"}:                                                    {},
		{Group: "apps", Version: "v1beta1", Kind: "DeploymentList"}:                                                {},

//
//   - kubeadm v1.15.x and newer can be used to migrate from v1beta1 to v1beta2.
//   - kubeadm v1.22.x and newer no longer support v1beta1 and older APIs, but can be used to migrate v1beta2 to v1beta3.
//   - kubeadm v1.27.x and newer no longer support v1beta2 and older APIs.
//   - TODO: https://github.com/kubernetes/kubeadm/issues/2890
//     add version that can be used to convert to v1beta4
//
// # Basics
//

	// v1.13: v1alpha3 read-only, writes only v1beta1 config. Errors if the user tries to use v1alpha1 or v1alpha2
	// v1.14: v1alpha3 convert only, writes only v1beta1 config. Errors if the user tries to use v1alpha1 or v1alpha2
	// v1.15: v1beta1 read-only, writes only v1beta2 config. Errors if the user tries to use v1alpha1, v1alpha2 or v1alpha3
	// v1.22: v1beta2 read-only, writes only v1beta3 config. Errors if the user tries to use v1beta1 and older

//     "bootstraptoken". The kubeadm API version v1beta3 no longer contains the BootstrapToken* structures.
//
// Migration from old kubeadm config versions
//
//   - kubeadm v1.15.x and newer can be used to migrate from v1beta1 to v1beta2.
//   - kubeadm v1.22.x and newer no longer support v1beta1 and older APIs, but can be used to migrate v1beta2 to v1beta3.
//   - kubeadm v1.27.x and newer no longer support v1beta2 and older APIs.
//
// # Basics
//

		},
		{
			gv: schema.GroupVersion{
				Group:   KubeadmGroupName,
				Version: "v1beta1",
			},
			expectedErr: true,
		},
		{
			gv: schema.GroupVersion{
				Group:   KubeadmGroupName,
				Version: "v1beta2",
			},
			expectedErr: true,
		},
		{
			gv: schema.GroupVersion{
				Group:   KubeadmGroupName,
				Version: "v1beta3",
			},
		},
		{
			gv: schema.GroupVersion{
				Group:   "foo.k8s.io",

			reviewVersions: []string{"v1", "v1beta1"},
			checks:         checks(validateStorageVersion, validateServed, validateMixedStorageVersions("v1alpha1", "v1beta1")), // no v1beta2 as the schema differs
		},
		{
			group:          "noop-converter-v1beta1",
			handler:        NewObjectConverterWebhookHandler(t, noopConverter),
			reviewVersions: []string{"v1beta1", "v1"},