For small projects and startups that are still figuring things out, tests are useful to prevent regressions, and I would spend my energy doing exactly that. Co

For small projects and startups that are still figuring things out, tests are useful to prevent regressions, and I would spend my energy doing exactly that. Code coverage should only be an after thought. Whenever a bug shows up, writing a test to cover that edge case is going to help you ship with more confidence as more bugs are found and fixed.