Update pytest from 3.2.5 to 3.3.0
Update pytest from 3.2.5 to 3.3.0
mozilla/amo-validator,wagnerand/amo-validator,mozilla/amo-validator,wagnerand/amo-validator,wagnerand/amo-validator,mozilla/amo-validator,wagnerand/amo-validator,mozilla/amo-validator