During July 2025, Kiryl focused on stabilizing the test infrastructure for the formio/formio.js repository, addressing a persistent issue with test data structure. He implemented a targeted fix in JavaScript, adding a missing 'metadata' object to the test data, which ensured that unit tests operated against the correct data shape and eliminated failures caused by undefined properties. This adjustment improved the reliability of continuous integration runs and aligned test coverage more closely with code expectations. Kiryl’s work centered on code quality and maintenance rather than feature development, demonstrating depth in unit testing and a careful approach to maintaining core project health.