AdminSearchlistAction.validateFields(doc, messages -> {
            errors.add("error");
        });

        assertTrue(errors.isEmpty());
    }

    @Test
    public void test_validateFields_missingRequiredFields() {
        final Map<String, Object> doc = new HashMap<>();
        // url, title, role, boost are all missing

        final List<VaMessenger<FessMessages>> errorMessages = new ArrayList<>();