nah they need to test for each compound or derivative mate which is expensive so they'll test for recreational drugs as they would affect your performance at work.
you've nothing to worry about - a quick search on here will show the number of times this question is asked and not a single thread has the poster coming back saying - they were caught taking gear. there must be literally hundreds of posts on this subject
AKA theweeninjaguy. 8 st 2 lb when I joined this site, I’ve gained 7 stone + since then.