Well, I don't know... maybe they already received them or probably they're going to get them until monday... be patient
When I applied to my actual job, I had to take a urine drug test, I wasn't worried because I was clean... the thing is that my employers called me to sing contract about 5 days later..
so in your case.. it might take sometime... who knows.. lets see what happens... ohh and one more thing.. haha don't even think about smoking, who knows if you have to re take the taste
