Dive into the world of Network Functions Virtualization (NFV) testing in this comprehensive tutorial. Learn best practices for open source NFV testing, including methodology, mapping to ETSI NFV use-cases, open source project integration, testing dashboards, and Continuous Integration and Continuous Deployment (CI/CD). Explore the key aspects of moving NFV from Proof of Concept to deployment, focusing on testing solutions that ensure interoperability between hardware and software systems. Gain insights from industry experts Trevor Cooper, an architect at Intel's Data Center Network Solutions Group, and Jose Lausuch, a Senior Systems Designer at Ericsson, as they share their extensive experience in OPNFV projects and cloud systems integration. Discover how to integrate and test NFV solutions that incorporate open source projects like OPNFV, OpenStack, and OpenDaylight to meet the performance and availability requirements of service provider networks.