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

    // Test addQuery with null query array
    @Test
    public void test_addQuery_nullArray() {
        assertNull(facetInfo.query);
        facetInfo.addQuery("query1");
        assertNotNull(facetInfo.query);
        assertEquals(1, facetInfo.query.length);