During October 2025, Deepcoldy focused on stabilizing the test infrastructure for the web-infra-dev/rspack repository by addressing a persistent issue with flaky asynchronous tests. By identifying and correcting missing await statements in Rust-based test cases, Deepcoldy ensured that asynchronous operations completed reliably before assertions were made. This targeted fix improved the consistency of continuous integration runs, reducing false positives and accelerating the feedback loop for pull requests. Leveraging skills in asynchronous programming and testing, Deepcoldy’s work enhanced the reliability of the test suite, supporting safer deployment cycles and laying a foundation for future feature development without introducing regressions.