Worked on enhancing test infrastructure reliability for the googleapis/java-bigtable repository by delivering improvements to test proxy error handling and reporting. Focused on backend development using Java, the work involved expanding inbound metadata size to prevent truncation of long error messages and refactoring error handling logic to utilize StatusProto.fromThrowable for more accurate ApiException reporting. These changes improved the clarity and consistency of error messages, making debugging more efficient and reducing misleading error prefixes. The approach emphasized robust API development and error handling practices, laying the foundation for more stable and observable test environments across the codebase without introducing new bug fixes.