Someone said :
Some people just find a sugar daddy.
They start test driving him to see if they will have feelings.
When they find they have no feelings, they end up having a choice: ditch him or keep him anyway.
If they find more benefits in keeping the sugar daddy, and if the sugar daddy find the arrangement beneficial too, then who are we to judge that relationship based on mutual interest?
Did I judge? I said I wouldn't enter a relationship without knowing it might go somewhere, I never implied anything about anyone else.
I was commenting on your wording of test drive.
The above situation you describe seems perfectly fine to me as long as no one else is involved.