-
When the plasterer is finished there's no need to check if stuff does what it's supposed to do?
It's a very special car, and it seems like it's not an investment that never gets driven. So he probably fettled with something. I'd expect him to check if the outcome is satisfactory, but running an errand is a bit strange.
Will ask the only person I know that owns collectible cars if the mechanics do test drives without them present.
If you trust the guy to work on it then you surely trust him to drive it?