Learn how to implement continuous integration testing for Zephyr projects using GitHub Actions in this 19-minute tutorial. Explore end-to-end testing examples, hardware-free testing techniques, and an introduction to Ztest and Twister frameworks. Discover how to set up CI configurations, write effective tests, and leverage Zephyr's official Docker image for streamlined testing processes. Gain insights into Twister and ZTest documentation to enhance your Zephyr project testing capabilities.