testing in software development 3

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Testing in software development is like a safety net for code changes—it catches bugs early so minor fixes don't snowball into major headaches. Writing unit tests for individual functions, integration tests for how modules work together, and end-to-end tests for user flows helps ensure each feature actually does what it's supposed to do. It also gives developers the confidence to refactor and improve code without accidentally breaking something else. Good testing practices turn development from…