I can run the test and log the results just fine. But when my lead asks me to actually sign off that this robot is safe and reliable enough to work near people, my hand hovers over the keyboard. Proving that, really proving it, feels like something I don't yet know how to do.
More people experience this than they realize.
You can run a test but validating a robot's real safety and reliability defeats you.
If this sounds familiar, the Library can help you find the bigger picture.