nan_quality_control/security/security.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
        <record id="group_quality_control_user" model="res.groups">
            <field name="name">Quality Control / User</field>
        </record>

        <record id="group_quality_control_supervisor" model="res.groups">
            <field name="name">Quality Control / Supervisor</field>
            <field name="comment">This group only enable users to aprove the quality tests.</field>
        </record>

        <record id="group_quality_control_manager" model="res.groups">
            <field name="name">Quality Control / Manager</field>
        </record>
   </data>
</openerp>