Alain K. focused on improving the reliability of the freud test suite in the glotzerlab/freud repository by addressing brittle doctests and enhancing test coverage for core components such as the Box class and locality tests. Using Python and leveraging skills in testing and numerical analysis, Alain identified and skipped unstable doctest examples and adjusted tolerance levels to account for floating-point variations, reducing test flakiness. By reconfiguring doctest skip directives, Alain preserved overall coverage while avoiding problematic code paths. This work resulted in more deterministic continuous integration runs and faster development cycles, demonstrating a thoughtful approach to test suite maintenance and documentation.