what it is ..it's a controlled environment- the water is turned off in the sink, the water in the toilet is dyed blue...this is to keep anyone, you, from diluting the pee. All that's needed is to put a small bottle...enough for the test, (container of some sort) some place warm/hidden. (if u r a woman put it under your breasts/or just lay it between ...u know, but do it before u go - make sure it is body temp) do not put it in a pocket as they will ask you to empty them and no taking a purse in. So conceal it someplace then when inside pour the pre body temp warmed pee into cup, hide bottle back where you had it and you are good to go.
I'd say good luck....but if you know how to follow directions/instructions luck will not matter brains will. You will pass/they will not look you can lock the door...the temperature is very important, this is why you put it against your body, so it will be at the correct temp. This is the most important thing.