With the current focus across the industry on containerization, it may seem like the older solutions such as integration nodes are almost deprecated, but this impression is wide of the mark and nowhere more so than in pipelines. Modern software development methodologies such as unit testing and continuous integration can apply equally well to integration node solutions, and there is now a public demo to show how this can be achieved.
See sections below: ACE tests run everywhere and the demo pipeline now shows them running followed by integration node deployment.