data-protection/privacy/demo/res_users.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2018 Tecnativa - Jairo Llopis
     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
<data>

    <record id="base.user_demo" model="res.users">
        <field name="groups_id" eval="[(4, ref('group_data_protection_user'))]"/>
    </record>

</data>