Vita400 developed end-to-end tests for the kubernetes/kubernetes repository, focusing on the topology manager’s handling of restartable init containers under NUMA policies and resource constraints. Using Go and leveraging Kubernetes’ testing frameworks, Vita400 designed scenarios that validate resource requests and recovery during container restarts, directly addressing reliability and regression risks in topology-related workflows. The new tests were integrated into the continuous integration pipeline, providing ongoing validation and clearer visibility into resource handling at init time. While no bugs were fixed during this period, Vita400’s work deepened test coverage and contributed to improved stability and confidence in Kubernetes’ topology manager behavior.