NothingSpecial⚡ Yes you can, but pay attention to not press anything that has to do with data and software, as that might actually brick it. Use Google lens to translate live too. I have done it myself.
EDIT: You’ve probably already gone into it now, but here are some useful things:
Second to last option when entering test mode is to exit. The watch will reboot into the usual watch (no data loss).
Second from the top option blasts you with full volume music, it’s just horrible.