Buster if your body was completely clean and you got high once, you would be clean in 3-5 days. You don't know if you were completely clean after a month but most people get clean in 30 days or less. Then you smoked once so if you were completely clean by the time you found the bag you probably have cleared it. SInce there are some unknows in this you did the right thing getting the test and I feel that it didn't work and you can't afford another. Chances are very high you will pass but it isn't 100%. Good luck and if you want do a mild dilution, like 24 ounces of gatorade before the test.