Flaky test caused by the cluster clone #239
Description
The cluster might be an empty state, so needs to check if it's nil before cloning: https://github.com/apache/kvrocks-controller/actions/runs/12475622172/job/34819307016#step:6:457
{{ message }}
The cluster might be an empty state, so needs to check if it's nil before cloning: https://github.com/apache/kvrocks-controller/actions/runs/12475622172/job/34819307016#step:6:457