Jmanuel Osuna Moreno developed a functional testing suite for the Ansible Resource Model in the rundeck/rundeck repository, focusing on validating API responses and resource behavior. He set up a dedicated test project and leveraged Docker to create a reproducible Ansible configuration, ensuring consistent test environments for continuous integration. Using skills in API testing, Ansible, and Dockerfile, Jmanuel defined resource model sources and configurations to standardize coverage and facilitate future enhancements. His work reduced regression risk and accelerated release readiness by enabling earlier detection of issues, demonstrating a methodical approach to functional testing and infrastructure-as-code validation within the Rundeck ecosystem.