Darshan contributed to the adoptium/aqa-tests repository by enhancing test reliability and environment configuration for OpenJDK. He updated localization tests in Java to accommodate JDK 24+ changes, introducing version-aware logic that accurately selects between 'Taiwan Time' and 'Taipei Time' to prevent false negatives in CI pipelines. In a separate effort, Darshan improved OS/390 test stability by exporting the LIBPATH environment variable, streamlining native library path handling for jtreg-based testing. His work demonstrated a strong grasp of Java, build automation, and testing frameworks, delivering targeted solutions that improved cross-version compatibility and reduced troubleshooting effort in complex test environments.