Dream board for any projects. One PR per PBI/US is already hard to make people understand this or that we/they shouldn't start working on a PBI/US without accep

Dream board for any projects. One PR per PBI/US is already hard to make people understand this or that we/they shouldn't start working on a PBI/US without acceptance criteria. After I am unsure of the whole "testing part" especially running all the tests for each PR for typical projects..