Summary: Is testing about checking against system requirements, or is it about exploring the software? In this article, Elisabeth Hendrickson explains a valuable truth often clouded by this debate—good testing takes advantage of both of these approaches.Many years ago in a hallway conversation at a conference, a test manager and I were discussing our respective approaches to testing."If they can't tell me what the software is supposed to do, I can't test it," Francine, the test manager, scowled....