This feels like a straw man. Or maybe a false dichotomy. I think it's entirely possible to ensure code is testable before writing the test. It's also not unusua

This feels like a straw man. Or maybe a false dichotomy. I think it's entirely possible to ensure code is testable before writing the test. It's also not unusual to tinker in a repl before encoding the functionality as a test. Pretty let down by this post.