Lisa Crispin, Janet Gregory: Chapter 1. What Is Agile Testing, Anyway? Like a lot of terminology, “agile development” and “agile testing” mean different things to different people… When we say “agile testing” in this book, we’re usually talking about business-facing tests, tests that define the business experts’ desired features and functionality… Agile testing doesn’t just mean testing on an agile project. Some testing approaches, such as exploratory testing, are inherently agile, whether it’s done an agile project or not…. Chapter 2. Ten Principles for Agile Testers We define an agile tester this way: a professional tester who embraces change, collaborates well with both technical and business people, and understands the concept of using tests to document requirements and drive development… Who’s an agile tester? She’s a team member who drives agile testing….