Worked on the JetBrainsRuntime repository to enhance test reliability in containerized environments by addressing a persistent issue with Java-based CI tests. Focused on stabilizing the test suite when running under rootless Docker and Podman, the developer identified and fixed a flaky failure in TestDockerMemoryMetricsSubgroup.java by conditionally skipping the test in rootless configurations. This targeted change, implemented using Java and leveraging Docker for container orchestration, reduced CI noise and improved feedback cycles for the team. The work demonstrated strong debugging skills, a deep understanding of containerized testing, and a disciplined approach to maintaining robust Java test infrastructure and release quality.