How to mock a database connection with JUnit?

Simply can't find a concrete example where a db connection is mocked. Preffered with Mockito.

public Connection getCon() throws SQLException, Exception {



        Properties login = new Properties();

        TimeZone timeZone = TimeZone.getTimeZone("GMT+2:00");
        TimeZone.setDefault(timeZone);

        Connection conn = null;
        conn = DriverManager.getConnection(url, username, password);

        return conn;
    }

Want to test this method...