@isTest
private class LexWithOutSharingSQLDaoTest {
    @isTest
    static void tesMethod1(){ 
        String sql = 'SELECT Id,Name FROM Contact';
        LexWithOutSharingSQLDao.searchContactServiceResult(sql,'');
        LexWithOutSharingSQLDao.searchVisitorUniContact(new List<String>());
        LexWithOutSharingSQLDao.searchVisitorScwl(sql,new Set<String>());
    }
}