u/Additional-Diver-378

Hi everyone, i have an upcoming pre employment drug test tomorrow, I actually tried to go yesterday and use my friend pee but it wasn’t enough. im planning on going tomorrow, but my friend works tomorrow so im unable to get the pee before going in, im wondering if i should freeze the pee or just leave it in my fridge? would be getting it tn around 10pm and going to get tested tomorrow around 8am. what shall i do?