stock_delivery/data/delivery_demo.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data noupdate="1">

        <!--Sample sale orders with carrier defined-->
        <record id="outgoing_shipment_with_carrier_confirmed" model="stock.picking">
            <field name="picking_type_id" ref="stock.picking_type_out"/>
            <field name="origin">outgoing shipment</field>
            <field name="user_id"></field>
            <field name="carrier_id" ref="delivery.delivery_carrier"/>
            <field name="partner_id" ref="base.res_partner_1"/>
            <field name="scheduled_date" eval="DateTime.today() - timedelta(days=3)"/>
            <field name="location_id" ref="stock.stock_location_stock"/>
            <field name="location_dest_id" ref="stock.stock_location_customers"/>
            <field name="move_ids" model="stock.move" eval="[(0, 0, {
                'name': obj().env.ref('product.product_product_6').name,
                'product_id': ref('product.product_product_6'),
                'product_uom': ref('uom.product_uom_unit'),
                'product_uom_qty': 1.0,
                'picking_type_id': ref('stock.picking_type_out'),
                'location_id': ref('stock.stock_location_stock'),
                'location_dest_id': ref('stock.stock_location_customers'),
            })]"/>
        </record>

        <record id="outgoing_shipment_with_carrier_assigned" model="stock.picking">
            <field name="picking_type_id" ref="stock.picking_type_out"/>
            <field name="origin">outgoing shipment</field>
            <field name="user_id"></field>
            <field name="carrier_id" ref="delivery.delivery_carrier"/>
            <field name="partner_id" ref="base.res_partner_1"/>
            <field name="scheduled_date" eval="DateTime.today() - timedelta(days=3)"/>
            <field name="location_id" ref="stock.stock_location_stock"/>
            <field name="location_dest_id" ref="stock.stock_location_customers"/>
            <field name="move_ids" model="stock.move" eval="[(0, 0, {
                'name': obj().env.ref('product.product_product_6').name,
                'product_id': ref('product.product_product_6'),
                'product_uom': ref('uom.product_uom_unit'),
                'product_uom_qty': 1.0,
                'picking_type_id': ref('stock.picking_type_out'),
                'location_id': ref('stock.stock_location_stock'),
                'location_dest_id': ref('stock.stock_location_customers'),
            })]"/>
        </record>

        <record id="outgoing_shipment_with_carrier_done" model="stock.picking">
            <field name="picking_type_id" ref="stock.picking_type_out"/>
            <field name="origin">outgoing shipment</field>
            <field name="user_id"></field>
            <field name="carrier_id" ref="delivery.delivery_carrier"/>
            <field name="partner_id" ref="base.res_partner_1"/>
            <field name="scheduled_date" eval="DateTime.today() - timedelta(days=8)"/>
            <field name="location_id" ref="stock.stock_location_stock"/>
            <field name="location_dest_id" ref="stock.stock_location_customers"/>
            <field name="move_ids" model="stock.move" eval="[(0, 0, {
                'name': obj().env.ref('product.product_product_6').name,
                'product_id': ref('product.product_product_6'),
                'product_uom': ref('uom.product_uom_unit'),
                'product_uom_qty': 1.0,
                'picking_type_id': ref('stock.picking_type_out'),
                'location_id': ref('stock.stock_location_stock'),
                'location_dest_id': ref('stock.stock_location_customers'),
            })]"/>
        </record>
        <function model="stock.picking" name="action_confirm">
            <value model="stock.picking" eval="[
                ref('outgoing_shipment_with_carrier_done'),
                ref('outgoing_shipment_with_carrier_assigned'),
                ref('outgoing_shipment_with_carrier_confirmed'),
            ]"/>
        </function>
        <function model="stock.picking" name="action_assign">
            <value model="stock.picking" eval="[
                ref('outgoing_shipment_with_carrier_done'),
                ref('outgoing_shipment_with_carrier_assigned'),
            ]"/>
        </function>
        <function model="stock.move.line" name="write">
            <value model="stock.move.line" search="[('picking_id', '=', ref('outgoing_shipment_with_carrier_done'))]"/>
            <value eval="{'quantity': 1}"/>
        </function>
        <function model="stock.picking" name="_action_done">
            <value model="stock.picking" eval="[
                ref('outgoing_shipment_with_carrier_done'),
            ]"/>
        </function>
    </data>
</odoo>