In June 2025, RusAnonym focused on restoring and expanding automated test coverage for Russian noun declension logic in the grafana/k6-DefinitelyTyped repository. Using TypeScript and JavaScript, they recovered a previously deleted test file for the russian-nouns-js module, ensuring that core functions, the stress dictionary, and locative forms were thoroughly validated. Their work included adding author attribution and enhancing the reliability of the test suite, which helps maintainers catch regressions in Russian language processing. RusAnonym’s contribution addressed a critical gap in testing, demonstrating a methodical approach to quality assurance and a strong grasp of both testing practices and TypeScript development.