sale_demo.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo>
    <record id="lot_cable_demo" model="stock.lot">
        <field name="product_id" ref="stock.product_cable_management_box" />
        <field name="name">cbl mng</field>
        <field name="company_id" ref="base.main_company" />
    </record>

    <record id="sale_order_demo" model="sale.order">
        <field name="partner_id" ref="base.res_partner_1" />
        <field name="user_id" ref="base.user_admin" />
    </record>

    <record id="sale_order_line_1_demo" model="sale.order.line">
        <field name="order_id" ref="sale_order_lot_selection.sale_order_demo" />
        <field name="product_id" ref="stock.product_cable_management_box" />
        <field name="product_uom_qty">1</field>
        <field name="lot_id" ref="sale_order_lot_selection.lot_cable_demo" />
    </record>
    <record id="sale_order_line_2_demo" model="sale.order.line">
        <field name="order_id" ref="sale_order_lot_selection.sale_order_demo" />
        <field name="product_id" ref="stock.product_cable_management_box" />
        <field name="product_uom_qty">1</field>
        <field name="lot_id" ref="sale_order_lot_selection.lot_cable_demo" />
    </record>
</odoo>