The athletes knew that tournament officials would be 'testing for' (the presence of) illegal drugs.
Her class served as a 'testing ground' [='proving ground'] for new teaching methods.
You're 'testing' my patience. [=you are starting to make me annoyed or upset]
(..) (JUNIOR SCREAMING) I was wrong! I was immediately wrong! (SCREAMING CONTINUES) Of course, the autopilot button. That makes perfect sense. I knew that. I was testing you. TULIP: Oh, you were testing me on a thing that I made. JUNIOR: That's correct. TULIP: Is your seat wet? (..)2016 Storks