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

    // Test getBucketOrder with only key type (no order)
    public void test_getBucketOrder_onlyKeyType() {
        facetInfo.sort = "key";
        BucketOrder order = facetInfo.getBucketOrder();
        assertNotNull(order);
        assertEquals(BucketOrder.key(true), order);
    }