During February 2025, Jing Deng focused on stabilizing the test codebase for the confluentinc/schema-registry repository. He addressed technical debt by cleaning up test imports, simplifying collection initializations, and resolving cross-branch merge conflicts, which improved test readability and maintainability. His work involved updating Java test files to use more concise collection creation methods and aligning the test suite with the master branch through careful merge conflict resolution. Leveraging his skills in Java development and unit testing, Jing ensured that future merges would be smoother and that the codebase would remain easier to maintain, though his contributions were limited to bug fixes.