Worked on the k-wall/kroxylicious repository to enhance code quality by addressing UnnecessaryMethodReference warnings in Java test files. Refactored test code in HeaderAssert.java and TlsHttpClientConfiguratorTest.java, replacing problematic method references with direct calls to improve clarity and reliability. Introduced a build-time enforcement in the Maven configuration, ensuring that similar warnings are treated as errors to prevent future regressions. Focused on unit testing and code quality, these changes reduced the risk of CI failures and aligned the codebase with established coding standards. The work emphasized maintainability and auditability, supporting ongoing quality assurance efforts within the repository.