It's amazing the number of times I look at some simple code and think "nah, this is so simple it doesn't need a test!", add tests anyway (because I know I shoul

It's amazing the number of times I look at some simple code and think "nah, this is so simple it doesn't need a test!", add tests anyway (because I know I should)... and immediately find the test fails because of an issue that would have been difficult to diagnose in production. Automated tests are awesome :)