Worked on the aws/aws-cli repository to enhance the reliability of documentation-related tests by addressing issues with hidden files in the example directory. Using Python and test automation skills, implemented a targeted fix that ensured the test suite processed only relevant .rst documentation files, thereby reducing false test failures and improving overall test accuracy. Leveraged git version control to manage and validate these changes, which resulted in more stable and predictable continuous integration runs. The work focused on maintenance and test stability rather than new feature development, demonstrating a methodical approach to improving CI reliability and the quality of automated testing workflows.