Worked on improving test reliability and CI feedback speed in the nodejs/node repository, focusing on debugging and testing with JavaScript. Addressed a persistent flakiness issue by relaxing the memory usage check for arrayBuffers, ensuring tests accounted for process-wide behavior and performed consistently across environments. Additionally, modified the debugger restart message test to eliminate unnecessary waits for an initial break, which reduced overall test execution time. These targeted changes contributed to greater stability in the continuous integration process. The work demonstrated a methodical approach to debugging and test tuning, emphasizing reliability and efficiency in the Node.js testing infrastructure over the course of the month.