This conference talk explores effective testing strategies for CNCF projects, presented by Daniel Hiller from Red Hat and Ryan Hallisey from NVIDIA. Discover valuable insights as the speakers share knowledge about tooling, reporting methods, test execution environments, and approaches for handling flaky tests. Learn about performance and scale testing techniques specifically for Custom Resource Definitions (CRDs) and controllers, along with practical applications of simulation and mock testing. Designed for project maintainers, this 31-minute presentation aims to facilitate knowledge exchange between different cloud native projects and inspire new testing methodologies that can improve reliability and performance.