Lee Hinman 7c201a64b5 [TEST] Synchronize searcher list in IndexShardTests
It's possible to check the list size, then attempt to remove a searcher and
throw an IndexOutOfBoundsException due to multiple threads.

Resolves #27651
2018-02-13 12:16:04 -07:00
..
2018-01-11 11:30:43 -07:00