Concierge
Idea: Unlike the Wizard Of Oz, where you donāt show whatās happening behind the curtains, with a Concierge you keep your cards on the table.
You deliver the same value that your product aims to bring automatically, but manually & visibly.
It has a connection to another great test, the High Hurdle - where you make it harder to complete the action which you hypothesise would be valuable, and watch if people complete it anyway (at some acceptable ratio).
Here are a couple of examples from the web on how others have achieved this.