I have not cumsumed any alcohol. However, I drank my partner's urine while he was intoxicated. Is it possible that his alcohol level will show up in my GTE testing?

Oh, probably not - so your partner was intoxicated and you were sober during the urine drinking? And that is important info because...

Of course, when you are tested you can always ask the tech.

And brush your teeth before you go for testing.

Let me send a message to the urine drinking expert and see what he has to say, his professional opinion.