assertEquals(1, facetInfo.query.length);
        assertEquals("query1", facetInfo.query[0]);
    }

    // Test addQuery with existing queries
    @Test
    public void test_addQuery_existingQueries() {
        facetInfo.query = new String[] { "query1", "query2" };
        facetInfo.addQuery("query3");
        assertNotNull(facetInfo.query);
        assertEquals(3, facetInfo.query.length);