Which, Joe, they would have to test him to do, and almost certainly wouldn't bother testing him UNLESS they were going to activate him if the result is positive. I point this out only because it outlines the redundancy of your post, and that Tony already provided all the needed and relevant information.
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"May the Grace of Ara go with you, and His Vengeance be wrought upon your enemies."
Though a character may not even know he/she is a Force user, they gain the bonuses to their abilities automatically.
From this I assume you can tell ooc if your toon is force sensitive.
It increases your skill.
So if you are able to hire a NPC cheaper than expected based on your normal skill you are force sensitive.
If you walk faster....
If you see further with your sensor.....
See the force guide/rules which abilities are effected.
I wonder if this work correctly. Since I have no confirmation about it.