@Override
    protected DataSource createDataSource() {
        JdbcDataSource ds = new JdbcDataSource();
        ds.setURL(getUrl());

        if (user != null) {
            ds.setUser(user);

            if (password != null) {
                ds.setPassword(password);
            }
        }

        return ds;
    }
Sets the H2 username and password.

@param user     The username. Can be null.
@param password The password. Can be null.
@return This object.
testing/src/main/java/org/jdbi/v3/testing/junit5/JdbiH2Extension.java