I want real hands-on practice with actual bank synchronization. I already tested the Odoo fake bank account sync.

Can I add a real bank in the free Odoo Online One-App plan to test it?

Can I add a real bank during the Odoo Online trial to test the bank synchronization functionality?

In Odoo.sh, which type of branch allows me to add a bank and test this functionality?

• Development branch

• Staging branch

• Production branch (live, so it will definitely work)

I look forward to your suggestions and guidance to achieve this.