Drug test question ; did I pass?

I had to take a drug test for a job I’m not an every day or every week smoker but I occasionally will have an edible or just hit the blunt. I drank water and had cranberry pills and my at home drug test was negative that I bought but how reliable is that too the real thing how long does thc really last if you maybe do it like every other week once a week or just once a week?
Drug test question ; did I pass?
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