Myopia means nearsightedness. If you write functional tests, you likely suffer from functional test myopia. You focus on your expected outcome and your test coverage, but you miss the big picture. We all know the joke about one night with a guy on his knees under a streetlamp. As he’s fumbling around, a passerby notices him. “Sir,” says the passerby, “What are you doing down there?” “I’m looking for my wallet,” replies the guy. “Where…