assertNotNull(order);
        assertEquals(BucketOrder.key(true), order);
    }

    // Test getBucketOrder with invalid sort value
    public void test_getBucketOrder_invalidSort() {
        facetInfo.sort = "invalid.desc";
        BucketOrder order = facetInfo.getBucketOrder();
        assertNotNull(order);
        assertEquals(BucketOrder.count(false), order); // default
    }