type V1ReviewConverterFunc func(review *apiextensionsv1.ConversionReview) (*apiextensionsv1.ConversionReview, error)

// NewReviewWebhookHandler creates a handler that delegates the review conversion to the provided ReviewConverterFunc.
func NewReviewWebhookHandler(t *testing.T, v1beta1ConverterFunc V1Beta1ReviewConverterFunc, v1ConverterFunc V1ReviewConverterFunc) http.Handler {

		{
			group:          "empty-response-v1",
			handler:        NewReviewWebhookHandler(t, nil, emptyV1ResponseConverter),
			reviewVersions: []string{"v1", "v1beta1"},
			checks:         checks(expectConversionFailureMessage("empty-response", "returned 0 objects, expected 1")),
		},
		{
			group:          "empty-response-v1beta1",
			handler:        NewReviewWebhookHandler(t, emptyV1Beta1ResponseConverter, nil),