training/learning mode

Issue Summary

Teaching personnel to use a cash register program isn't always as straight forward as one expects.
We don't want these training transactions to end up on our tax report, affecting stock,...
Is there anyone who figured a way to do this with UberPos ? Is this a feature that we could expect in future releases ?

Bye the way i really like this module it has great potential!!! Congrats to the developers hope to see more features!