Murphy focused on stabilizing CPU profiling tests in the pinterest/starrocks repository by enhancing the ProcProfileCollectorTest to ensure accurate counting of CPU profile files. Using Java and test-driven development practices, Murphy introduced validation checks for directory existence and file listings, directly addressing issues that caused unreliable profiling metrics and flaky continuous integration outcomes. The targeted bug fix improved the reliability of profiling workflows and reinforced code maintainability. Throughout the process, Murphy demonstrated strong adherence to unit testing standards and effective use of git workflows. The work reflected a methodical approach to improving test stability and overall code quality within the project.