This update restores automated checks for inter-company invoicing and purchasing flows by converting old test scenarios into the current Python test format. This helps reduce the risk of regressions in company-to-company sales, purchase, and invoice automation without changing day-to-day user features.

Task :
https://www.odoo.com/web#id=32895&view_type=form&model=project.task&action=327&menu_id=4720 

Pad : https://pad.odoo.com/p/r.5d0d35d18cf1a17d3904995ea2428cdf