Your best bet would be to bring just what you need with you (like one bottle of test and a few tabs of adex), put it in your luggage, and dont worry about it.
Its not like they will put you to prison for a bottle of test, especially within the EU...
But i did hear horror stories of guys from europe getting caught at US customs and spending some time in jail. Even Hide Yamagishi got caught at some point with gear and spent several weeks in jail which is insane when you think about it.