def METHOD_NAME(cls):
    cls.setUpPrepSaleOrder()
    # Create a Sales Order
    product_line = {
        "name": cls.product_order.name,
        "product_id": cls.product_order.id,
        "product_uom_qty": 2,
        "product_uom": cls.product_order.uom_id.id,
        "price_unit": cls.product_order.list_price,
        "tax_id": False,
    }
    cls.sale_order = cls.env["sale.order"].create(
        {
            "partner_id": cls.partner.id,
            "order_line": [(0, 0, product_line), (0, 0, product_line)],
        }
    )