Your question is Automated Testing for Data 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 approach automated testing in that context. The interviewer wants to hear about the tools you use and how you apply them in day-to-day pipeline work.
Describe your experience with automated testing tools.