This case study shows how a global healthcare and insurance leader transformed its software development lifecycle by adopting Diffblue Cover, an AI-driven unit test automation tool that writes Java unit tests autonomously. By automating what was once a slow, manual task, the organization achieved 70% faster unit test creation and a 24% increase in sprint velocity, enabling developers to shift focus from routine test writing to high-value coding and innovation. Diffblue Cover met strict security, privacy, and ROI criteria, delivered deterministic, high-quality tests, and helped strengthen code coverage and reliability, validating the value of AI-powered test automation in improving delivery speed, quality, and developer productivity.

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