String[] keywords = SuggestUtil.parseQuery(query, field);
        assertNotNull(keywords);
        // Parser should handle special characters
    }

    @Test
    public void testGetTermQueryListWithNull() {
        // Test with null query
        String[] fields = { "content" };
        List<TermQuery> queryList = SuggestUtil.getTermQueryList(null, fields);
        assertNotNull(queryList);