assertNotNull(order);
        assertEquals(BucketOrder.count(false), order); // default
    }

    // Test getBucketOrder with null sort
    public void test_getBucketOrder_nullSort() {
        facetInfo.sort = null;
        BucketOrder order = facetInfo.getBucketOrder();
        assertNotNull(order);
        assertEquals(BucketOrder.count(false), order); // default
    }