Julien Lemaistre developed a comprehensive validation suite for the new Ansys_OrderFreq format in the ansys/pyansys-sound repository, focusing on robust data validation and error handling. Using Python, he designed and implemented tests that simulate a variety of input scenarios, enabling early detection of invalid data and ensuring the format’s reliability. His approach emphasized thorough coverage, aligning validation logic with expected behaviors and contributing to the repository’s release readiness. By collaborating on test design and integrating these tests into the continuous integration pipeline, Julien improved overall CI confidence and helped establish a more maintainable and predictable testing workflow for the project.