clear “definition of done” to ensure common expectations. Acceptance criteria consist of a set of pass fail statements that specify the functional requirements. Defining acceptance testing during the stories, associated acceptance criteria are essential, as testing then can focus less on determining pass/fail and more on how the software performs. Agile approaches place strong emphasis on automated tests

strongly on the near term  Eliminate waste caused by planning for eventualities that never come to pass  Streamline processes to enable rapid and frequent delivery of capabilities Planning DOs and DON’Ts

tests fail – “Write a test for the next bit of functionality you want to add” 2. Ensure the tests pass – “Write the functional code until the test passes”3. “Refactor both new and old code to make it