A new internal test module has been added to validate sales order creation across a broader set of sales-related features. This helps improve reliability of performance checks and creates a foundation for future end-to-end sales testing without changing customer-facing behavior.

When a payment journal is chosen, the payment method now updates automatically to match the journal’s default setting. This helps Mexican localization users reduce manual corrections and keep payment records consistent.

When you define a journal you are allowed to define the default payment method of the journal, but when you select the journal in the payment, the payment method is not changed. This commit allows to change the payment method defined in the journal when you select it and put it in the payment.