public static <E extends Extension> Predicate<E> labelAndFieldSelectorToPredicate(
        List<String> labelSelectors, List<String> fieldSelectors) {
        return SelectorUtil.<E>labelSelectorsToPredicate(labelSelectors)
            .and(fieldSelectorToPredicate(fieldSelectors));
    }
@Test
    void shouldConvertCorrectlyIfSelectorsAreNull() {
        var predicate = labelAndFieldSelectorToPredicate(null, null);
        assertTrue(predicate.test(mock(Extension.class)));
    }