}
				validation = &apiextensionsv1.CustomResourceValidation{
					OpenAPIV3Schema: v1Schema,
				}
			}
			if tt.preserveUnknownFields != nil && *tt.preserveUnknownFields {
				validation.OpenAPIV3Schema.XPreserveUnknownFields = utilpointer.BoolPtr(true)
			}

			// TODO: mostly copied from the test above. reuse code to cleanup
			got, err := BuildOpenAPIV2(&apiextensionsv1.CustomResourceDefinition{

							Extensions: schema.Extensions{
								XPreserveUnknownFields: true,
							},
						},
					},
				}),
				"anyvalList": listType(&schema.Structural{
					Extensions: schema.Extensions{
						XPreserveUnknownFields: true,
					},
				}),
				"anyvalMap": mapType(&schema.Structural{
					Extensions: schema.Extensions{
						XPreserveUnknownFields: true,
					},
				}),

		if err := Convert_v1_JSON_To_apiextensions_JSON(*in, *out, s); err != nil {
			return err
		}
	} else {
		out.Example = nil
	}
	out.Nullable = in.Nullable
	out.XPreserveUnknownFields = (*bool)(unsafe.Pointer(in.XPreserveUnknownFields))
	out.XEmbeddedResource = in.XEmbeddedResource
	out.XIntOrString = in.XIntOrString
	out.XListMapKeys = *(*[]string)(unsafe.Pointer(&in.XListMapKeys))

		if err := Convert_v1beta1_JSON_To_apiextensions_JSON(*in, *out, s); err != nil {
			return err
		}
	} else {
		out.Example = nil
	}
	out.Nullable = in.Nullable
	out.XPreserveUnknownFields = (*bool)(unsafe.Pointer(in.XPreserveUnknownFields))
	out.XEmbeddedResource = in.XEmbeddedResource
	out.XIntOrString = in.XIntOrString
	out.XListMapKeys = *(*[]string)(unsafe.Pointer(&in.XListMapKeys))

					Validation: &apiextensions.CustomResourceValidation{
						OpenAPIV3Schema: &apiextensions.JSONSchemaProps{Type: "object", XPreserveUnknownFields: pointer.BoolPtr(true)},
					},
				},
				Status: apiextensions.CustomResourceDefinitionStatus{
					StoredVersions: []string{"v1"},
				},
			}
			var oldCRD *apiextensions.CustomResourceDefinition

											XEmbeddedResource:      true,
											XPreserveUnknownFields: pointer.BoolPtr(true),
										},
										"apiVersion": {
											Type: "string",
											Properties: map[string]apiextensions.JSONSchemaProps{
												"foo": {
													Type:                   "object",
													XEmbeddedResource:      true,
													XPreserveUnknownFields: pointer.BoolPtr(true),
												},

API rule violation: names_match,k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1,JSONSchemaProps,XMapType
API rule violation: names_match,k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1,JSONSchemaProps,XPreserveUnknownFields
API rule violation: names_match,k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1,JSONSchemaProps,XValidations

		}
	}

	if schema.XPreserveUnknownFields != nil && !*schema.XPreserveUnknownFields {
		allErrs.SchemaErrors = append(allErrs.SchemaErrors, field.Invalid(fldPath.Child("x-kubernetes-preserve-unknown-fields"), *schema.XPreserveUnknownFields, "must be true or undefined"))
	}

	if schema.XMapType != nil && schema.Type != "object" {

			Type: "object",
			Properties: map[string]apiextensionsv1.JSONSchemaProps{
				"embedded": {
					Type:                   "object",
					XEmbeddedResource:      true,
					XPreserveUnknownFields: pointer.BoolPtr(true),
				},
			},
		},
	}
	noxuDefinition, err = fixtures.CreateNewV1CustomResourceDefinition(noxuDefinition, apiExtensionClient, dynamicClient)
	if err != nil {
		t.Fatal(err)

	// but switches back to normal pruning behaviour if nested
	// properties or additionalProperties are specified in the schema.
	// This can either be true or undefined. False is forbidden.
	XPreserveUnknownFields *bool

	// x-kubernetes-embedded-resource defines that the value is an
	// embedded Kubernetes runtime.Object, with TypeMeta and
	// ObjectMeta. The type must be object. It is allowed to further