Commands.FindAndModifySortedDeleteIndexed is not representative of real customer workloads due to the high level of contention it generates, up to 1.5X as many retries as successful operations.

We should improve the test to reduce the number of false positives in the future, some options are:

1. Add think times, to simulate each operation performing some work instead of retrying right away.
2. Reducing the maximum concurrency