| Step Description | Expected result |
|---|---|
| Go to BO > Orders > “Invoices” page | Invoices page is displayed successfully |
| Set the new prefix and save the form | The validation message is displayed successfully “Update successful” |
| Go to Orders > “Orders” page | Orders page is displayed successfully |
| Open the first order page | Order page is displayed successfully |
| Change the order status to “Shipped” | The status is changed successfully The invoice prefix is changed successfully |
| Go to BO > Orders > “Invoices” page | Invoices page is displayed successfully |
| Set the default prefix and save the form | The validation message is displayed successfully “Update successful” |
| Go to BO > Orders > “Orders” page | Orders page is displayed successfully |
| Open the first order page | Order page is displayed successfully The invoice prefix is changed successfully |