flectra/addons/barcodes/views/barcodes_templates.xml

<?xml version="1.0" encoding="utf-8"?>
<flectra>

       <template id="assets_backend" name="barcodes assets" inherit_id="web.assets_backend">
            <xpath expr="." position="inside">
                <script type="text/javascript" src="/barcodes/static/src/js/barcode_parser.js"></script>
                <script type="text/javascript" src="/barcodes/static/src/js/barcode_events.js"></script>
                <script type="text/javascript" src="/barcodes/static/src/js/barcode_form_view.js"></script>
                <script type="text/javascript" src="/barcodes/static/src/js/barcode_field.js"></script>
            </xpath>
        </template>

        <template id="qunit_suite" name="barcode_tests" inherit_id="web.qunit_suite">
            <xpath expr="//t[@t-set='head']" position="inside">
                <script type="text/javascript" src="/barcodes/static/tests/barcode_tests.js"/>
            </xpath>
        </template>

</flectra>