Snapshot testing detects unexpected changes in UI components by rendering and serializing output, then comparing it to expected output stored in a snapshot file, ensuring high-quality user interfaces and reducing debugging time.
User Acceptance Testing (UAT) ensures an application meets end-user expectations and requirements through a 7-step process: test planning, scripting and data preparation, environment setup, test execution, defect reporting and tracking, defect fixing and retesting, and test closure, leading to improved quality, enhanced user experience, reduced risk, and increased confidence.
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