If I drink on a Friday can I pass a EtG test on wed

Why drink at all and breath easier. It all depends on how much you drink and what. If you drink on Friday, drink plenty of water and eat well before your test on Wednesday.

Yes you should be OK, but as noted lots of water.
But remember if you are not suppose to, if you have an enemy, who may take a photo of you with a cell phone, or someone that will think it is funny to tell on you.

Best bet if you are not suppose to don't