tests/carservice_test/res/raw/car_audio_configuration_duplicate_ports.xml

<?xml version="1.0" encoding="utf-8"?>
<carAudioConfiguration version="1">
    <zones>
        <zone name="primary zone" isPrimary="true">
            <volumeGroups>
                <group>
                    <device address="bus0_media_out">
                        <context context="music"/>
                    </device>
                    <device address="bus3_call_ring_out">
                        <context context="call_ring"/>
                    </device>
                </group>
                <group>
                    <device address="bus1_navigation_out">
                        <context context="navigation"/>
                    </device>
                </group>
            </volumeGroups>
        </zone>
    </zones>
</carAudioConfiguration>