Your question is Testing and CI for Pipelines. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You're working on a data pipeline and want to explain how you keep changes safe as the codebase evolves. The focus is on how you validate pipeline logic before release and how you integrate those checks into the delivery process.
Describe your experience with automated testing and continuous integration.