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regression testing

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Official ISTQB Definition

A type of change-related testing to detect whether defects have been introduced or uncovered in unchanged areas of the software.

3 Ways to Think About It

💡
The Quick Take

Re-running old tests to make sure new changes didn't break existing features.

🔍
Look Closer

Checking that fixing one thing didn't accidentally break something else.

🎯
The Bottom Line

The 'you didn't break anything else, right?' test suite.

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