In house Breathyliser and drugs testing

I can’t see the point in being awkward about having to take these two tests, takes 10minutes to do, all done no harm, yes you might not agree with them, as long as every member of staff are being tested, then it’s fair,. If you wish to throw a spanner in the works take 2 co-codamal and eat 2 slices of bread with poppy seeds on, about 2 hours before the test,