Regression Testing: Re-testing existing features after a change to make sure nothing that used to work is now broken.
Example
After a fix to the cart, you re-run the checkout tests to confirm payments still work.
Why Regression Testing matters for IT interns
Many bugs come from a change breaking something else. Regression testing catches them before users do.
Where you will hear it
You will hear this term in testing and quality discussions, from test planning to bug reports. If someone uses it and you are not sure what they mean in your project, it is completely fine to ask; every team uses terms a little differently.
Related terms
- Manual Testing: Testing software by hand — using it like a real user and checking the results — without automation scripts.
- Priority (in bug tracking): How soon a bug should be fixed, based on business needs.
- QA (Quality Assurance): The work of making sure software meets the expected quality, through testing, reviews and improving how the…
- Severity: How badly a bug affects the system or its users.
- Smoke Testing: A quick set of basic checks on a new build to confirm the most important functions work before deeper testing…
- Software Testing: Checking whether software works as expected by using it and comparing the actual results with the expected…
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Frequently asked questions
What is Regression Testing?
Re-testing existing features after a change to make sure nothing that used to work is now broken.
What is an example of Regression Testing?
After a fix to the cart, you re-run the checkout tests to confirm payments still work.
Why does Regression Testing matter for IT interns?
Many bugs come from a change breaking something else. Regression testing catches them before users do.
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About the author
Dhaivat has 16+ years of experience in the IT industry, working on AI and cloud technologies, project delivery, and engineering leadership. He has interviewed and mentored many interns, wrote The Lost Intern, and runs the non-commercial Career Impact Initiative, mentoring students for free.