Literally translated, it means guess work also can do. Gone were the days when we pride ourselves to do things correctly, accurately, professionally and anything that is hapzardly done is frown upon. We are the best and we will not accept slipshod work.
What has mean testing becoming to? Get some simple data so that it is easy to handle, not accurate never mind, aga aga also can. Too detail, too tedious, too complicate, too problematical.
Wah lan eh. Like that also can.