Explore end-to-end testing strategies for IoT systems in this conference talk from Conf42 Internet of Things 2023. Dive into IoT layered architecture, the IoT World Forum reference model, and challenges in IoT testing. Learn about testing effectiveness using a blood glucose tracking system as an example. Discover solutions for deconstructing systems into layers, automating server components, and isolating components for early testing. Gain valuable insights on improving IoT testing practices and enhancing overall system reliability.