How to p a weed test?

i smoked 2 weeks ago a joint and last week i smoked only 2 puffs from a can and this week i have a drug test for work, i bought 2 omni cleansing liquid 32 oz i was wondering do i need to use them, ive been drinking lots of water too and peeing alot and i excersice about 4 times a week and sweat alot, will i p the drug test and how will i p it, before those 2 times i havent had smoked in a whole month, please best answer gets 10 points