regression testing
📋 CT-FL-AT
📘 CTAL-TA
📗 CTFL
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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