Acceptance Testing – Simply Put! Identify, Manage, and Use Business-based Tests for Acceptance Test-Driven Development (ATDD). Acceptance Test-Driven Development (ATDD) and Behavior Driven Design BDD) are two of the latest improvements in the Information Technology’s (IT’s) quest to deliver working software quickly, cheaply, and reliably. Test scenarios are business-based situations taken from real life that guide developers in the software creation process. You need to identify and . . .