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• Operating Kubernetes clusters involves a large number of components, making it difficult to test the entire setup
• Running the full Kubernetes conformance test suite is slow and doesn't always cover the functionality users care about
• Skyscanner uses Kubernetes' existing test codebase along with Sonobuoy and Spinnaker to build a custom test suite
• The custom test suite allows cluster operators to focus on the functionality developers care about
• The talk provides an overview of potential solutions, including community-supported frameworks like Testemperor and Kubertest
• Kuberhealthy is a slightly different approach that uses an operator to run tests in-cluster and gather results
• Building confidence in changes made to Kubernetes clusters is crucial for reliability and frequent updates