Worked on the red-hat-data-services/notebooks repository to enhance test reliability and streamline the development workflow. Focused on Python-based Jupyter Notebooks, the work involved removing the persistently failing TestSecurity class and its associated tests, which did not contribute to coverage, thereby reducing unnecessary CI failures. Additionally, cleaned up the codebase by deleting unused ssl imports from several notebook variants, aligning the test suites with active coverage and minimizing maintenance overhead. Emphasized unit testing best practices to ensure more stable and predictable CI feedback loops, ultimately supporting more reliable releases and a smoother experience for both developers and QA teams.