It is for this reason I am all for drug testing for white collar jobs. If you are so dumb you can't A.) Stop smoking for a month or two to land a dream job cause you don't think its worth it OR B.) Read and follow simple instructions online.....i wouldn't want you working for me either. These things are not hard to fake out, and unless you are testing for the military or some kind of high level security clearance, the chances are very high your employer is not going to pay for the very sensative testing methods because they are very very expensive per person tested, and the less expensive ones will catch the more hardcore users anyway.
I've never failed a urine test. Passed more than a half dozenor so, becasue i do knwo how to trick the test, I do know how to take breaks and I do my research, but you wouldn't have known that now would you.