Worked on the gin-gonic/gin repository to enhance the reliability and portability of SaveUploadedFile feature tests. Focused on refactoring test code to use Go’s t.TempDir(), ensuring compatibility with Windows Subsystem for Linux and improving automatic cleanup. This approach reduced dependencies on the working directory’s filesystem, leading to more deterministic and isolated test runs across both CI and local environments. Mirrored these improvements to related tests for consistent behavior, contributing to higher-quality releases. Collaborated with other contributors and adhered to project standards, demonstrating proficiency in Go, cross-platform testing, and WSL compatibility while delivering maintainable and robust test infrastructure improvements.