If you don't have clean code and tests, vsc would allow you to switch between old and new bad, probably non working code. That's nice, but probably not what you

If you don't have clean code and tests, vsc would allow you to switch between old and new bad, probably non working code. That's nice, but probably not what you'd want. If I'd need to choose one out of all, I'd choose tests. From my experience, it's nearly impossible to implement big system without tests. Maybe I'm just not good enough as a programmer