Explore the challenges and solutions in scaling test coverage for OpenAPI Generator across over 30 programming languages in this informative conference talk by William Cheng from OpenAPITools.org. Learn about the tool's widespread adoption, its initial development, and the evolution of unit and integration tests. Discover the obstacles faced in maintaining quality across multiple languages, strategies for scaling continuous integration, and practical tips for contributors. Gain insights into release preparation, referencing other programming languages, and rebuilding pull requests. The talk concludes with information on financial support and credits for the OpenAPI Generator project.