Developed and delivered a functional testing suite for the Ansible Resource Model within the rundeck/rundeck repository, focusing on validating API responses and ensuring correct resource-model behavior. The work involved setting up a dedicated test project, configuring Ansible environments using Docker, and defining resource model sources and configurations to standardize and expand test coverage. By leveraging skills in API testing, Docker, and Ansible, the developer created a reproducible environment that integrates seamlessly with CI pipelines. This approach reduced regression risk and accelerated release readiness by enabling earlier detection of issues, ultimately improving test reliability and supporting future feature additions.