What to do if i neeed to pee and test isnt here yet

To
Hubbys bringing home test this morning in about an hours time. Im busting to pee and crap lol tmi sorry ... can i pee in a little cup i got with my dip nd read test and like leave it in bathroom till hes home and test? Being fmu? .... or will it not work as well and should i hold it till hes home. Lol sorry but i dont wanna miss my chance today to test!!