Agile Testing: Principle, Methods, Quadrants, and Advantages

You have probably heard the term ‘Agile’ but do you know what it means? In general terms, Agile refers to the ability to create and retaliate to change. The writers of Agile Manifesto picked Agile as the tag because it represents the adaptiveness of the approaches based on the changes. These values make much sense, given agile refers to the flexibility of thinking and moving quickly as per the demands. But developing software requires testing to ensure its quality. And agile development requires agile testing.