In an agile development environment, automating tests is crucial for ensuring efficient and high-quality software delivery, as manual testing is time-consuming and prone to human error. The article emphasizes that without automation, agile teams risk accumulating technical debt and facing challenges in keeping up with fast-paced iterative cycles. Automation not only speeds up testing processes but also enhances team knowledge and provides a robust safety net against regression bugs, thereby increasing confidence in the codebase. By implementing automated testing, teams can receive fast feedback, maintain continual stable builds through CI/CD systems, and ultimately free up time to focus on new scenarios and product understanding. The consistency offered by automated frameworks reduces the likelihood of human error, leading to a more reliable and efficient development process.