Anyone have another translation to French for a litmus test? My best is mise à l’épreuve.

Thanks,

VB

I think mise à l’épreuve refers more to the act of putting something to test than the (litmus) test itself.  What about épreuve de feu, as in:

The elections will be a litmus test of their popularity.
Les élections seront une épreuve de feu de leur popularité.?

Brazilian dude

perfect, thanks

V