Worked on modernizing and improving the reliability of tests in the kubernetes-sigs/kueue repository, focusing on error handling and assertion clarity. Introduced structured field.ErrorList assertions to provide clearer error reporting in Go test suites, particularly within extended_resources_test.go. Replaced the use of reflect.DeepEqual with cmp.Diff in claims_test.go, resulting in more actionable and informative assertion outputs. These changes reduced test flakiness and streamlined debugging, making maintenance more efficient and releases safer. Demonstrated strong skills in Go, error handling, and unit testing, with an emphasis on test-driven development practices that enhance code quality and foster maintainable engineering workflows.