The beauty of international standarda and norms is, that you do not have to test every single use case. All you have to do, and that is difficult enough, is to

The beauty of international standarda and norms is, that you do not have to test every single use case. All you have to do, and that is difficult enough, is to test to standardized use cases. And then someone else is making sure everyone is adhereing to those standards. That is what regulations are good for.