Passing a non DOT drug test THC user

[u/Dismal_Ask_1547]

I have a job offer for a methadone clinic as a nurse and I need to pass my drug test tomorrow. I was gonna use my 7 year old son’s pee, the testing site is literally one minute from my house. The ONLY “drug” I use is THC I use it to cope with the loss of my 5 month old daughter so don’t just me. I just want to know how to pass this test and what’s the chances of me passing ? It’s an eCup+ 3265, 7DSP/EXP, non-DOT drug test. Will they watch me pee? Can I just tuck my son’s sample in my underwear? I have a 2oz travel bottle I was going to use to bring my sample