You have two thousand end-to-end tests, a full run takes three hours, and developers have stopped waiting for the results. How would you restructure testing in CI?
~10 min by voice
How to approach it
They're checking whether you can treat the cause rather than the symptom: restructure the test pyramid and the CI stages so feedback is fast while the risk of missing defects stays under control. Simply "adding machines" isn't enough here.
The interviewer will ask this question and listen. Think out loud and ask for a hint if you need one. When you're done, pause or tap “That's my answer”. In about a minute, your score and the points you covered show up here.