Brian Murphy ca38fd6a89 [TEST] Add CountDownLatches to ensure order of operation.
This change adds countdownlatches to the `FairKeyedLock` tests on `WatchLockService`.

Original commit: elastic/x-pack-elasticsearch@2bf36e10d2
2015-04-21 14:54:11 -04:00
..
2015-04-21 13:22:38 -04:00