During the month, contributed targeted improvements to test quality and stability across the spring-projects/spring-ai and spring-projects/spring-security repositories. Focused on Java and Spring Security, the work involved removing unnecessary debug output from QuestionAnswerAdvisorTests to streamline test results and address a specific issue. In spring-security, enhanced the robustness of security configuration tests by replacing placeholder code with real assertions and ensuring constants were properly defined, thereby strengthening unit testing practices. These changes reduced continuous integration noise and improved feedback cycles, supporting safer code changes and more reliable test coverage across critical modules. The approach emphasized precision and maintainability throughout.