Worked on improving test reliability within the kubernetes/kubernetes repository by addressing intermittent failures in informer-backed cache synchronization. Focused on stabilizing tests by ensuring the informerFactory was started before invoking WaitForCacheSync, which resolved timing issues that previously led to nondeterministic outcomes in continuous integration environments. Delivered a targeted patch with minimal code changes, reducing risk and simplifying the review process. Utilized Go programming skills and a strong understanding of Kubernetes development patterns to enhance test determinism. The work emphasized careful testing practices and contributed to more predictable and maintainable test suites, supporting ongoing quality improvements in Kubernetes infrastructure.