Lalao focused on improving the test infrastructure for the MIT-Emerging-Talent/ET6-foundations-group-12 repository by performing targeted code cleanup using Python. During this period, Lalao identified and removed an empty, duplicate test file from the suite, which enhanced test reliability and maintainability without introducing functional changes. This cleanup reduced unnecessary noise in continuous integration runs and simplified future maintenance for the team. The work demonstrated attention to detail in testing practices and clear commit messaging, aiding traceability and onboarding. While no production bugs were addressed, Lalao’s contribution improved the overall hygiene of the codebase through disciplined testing and code organization.