By Noah Sussman and Laura Beth Denker. Splitting Up A Large Test Suite Lately we've been deploying code 25 times a day or more, and running automated tests every time we deploy. Conservatively, we run our tests about 25 times on a normal business day. At Etsy, deployments are managed by engineers, not by ops or a release management team. The idea is: you write code, and then you deploy it to produ