Answer Posted / rajkumar
In software industry change & improvement is a continuous process. Whenever there is change in existing functionality or new functionality is added to the system or any defect is fixed. We should make sure that changed or added functionality has not broken already working functionality, and does not have any effect on the unchanged areas of the software. this is called as regression testing. A regression test suit should consists of basic functionality test case of the system. And regression test cases should be always automated.
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