Tester Driven Development

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Tester-driven development, or bug-driven development is an anti-pattern where the requirements are determined by bug reports or test results rather than for example the value or cost of a feature.

It is a tongue-in-cheek reference to Test-driven development, a widely used methodology in Agile software practices. In test driven development tests are used to drive the implementation towards fulfilling the requirements. Tester-driven development instead shortcuts the process by removing the determination of requirements and letting the testers (or "QA") drive what they think the software should be through the QA process.