“Most literature on the subject of agile methodology... is written from the viewpoint of software developers and programmers, and tends to place its main emphasis on programming techniques and agile project management—testing is usually only mentioned in the guise of unit testing and its associated tools. ...However, unit tests alone are not sufficient and broader-based testing is critical to the success of agile development processes.” AgileScrum2013Software Testing Book:Testing in Scrum: A Guide for Software Quality Assurance in the Agile World Source: Testing in Scrum: A Guide for Software Quality Assurance in the Agile World