Posted three months ago with no answers yet. My guess is you have your new job. Hopefully it is what you thought it would be. If you did not get your new job and you believe you have been discriminated against on the basis of your smoking you could talk to an employment attorney but you won't have much luck winning.
From my experience the test for nicotine is not to help them with their hiring decision. You can't legally smoke in most workplaces anyways. This test is typically given by companies who provide certain kinds of insurances and is a criteria in determining insurance rates.