I Will Be Taking A Drug Test For Pre-employment At

I will be taking a drug test for pre-employment at a major airline,
I've never taken a test like this before.
I've been told that certain foods and over the counter allergy grugs will affect the out come.
The test is a urinal sample.
I take claritin and on occassion Xertec
I drink lots of jasmin tea and three days back ate a poppyseed bagel with cream cheeze
Im 158 pounds slight belly fat!
I drink 1/2 a glass of red wine at dinner
Alchohol is not considered.
Im ground crew in customer service!
Anything to worry about