Worked on the SAP/SapMachine repository to enhance test diagnostics and maintain repository hygiene over a two-month period. Delivered platform-aware improvements to networking tests by integrating IPSupport.printPlatformSupport into Java-based IPv4Only test cases, enabling clearer visibility into platform-specific networking support and improving cross-platform test reliability. Focused on Java and XML, the work included refining test output formatting and updating copyright information to align with project standards. Additionally, improved long-term repository stability by removing obsolete XML files from the test suite, reducing maintenance overhead and test noise. Emphasized code cleanup, repository management, and robust testing practices to support reliable CI workflows.