[SERVER-85441] Extend `balancerShouldReturnRandomMigrations` failpoint to additionally move random unsharded collections Created: 19/Jan/24  Updated: 06/Feb/24

Status: In Code Review
Project: Core Server
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Task Priority: Major - P3
Reporter: Allison Easton Assignee: David Dominguez Sal
Resolution: Unresolved Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Sprint: CAR Team 2024-02-05, CAR Team 2024-02-19
Participants:

 Description   

To increase test coverage of moving around unsharded collections, we want to extend the suites and FSMs that are using the `balancerShouldReturnRandomMigrations` to also randomly move around unsharded collections.

This should be implemented keeping in mind that many of our tests have a small number of shards, and we would like to ensure that both chunks and unsharded collections are being moved throughout the test.


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