Agile sprints are short, time-boxed development cycles, and every day counts. With ATDD, there’s no ambiguity about what needs to be built. Developers can move forward with confidence, knowing that the acceptance tests will guide their efforts. Testers can begin creating automated tests even before development begins. And stakeholders get a clearer view of progress, since each passing test brings the product closer to readiness. https://testomat.io/blog/atdd-vs-tdd-understanding-the-key-differences/