381a071287
Related to https://build.spring.io/browse/INT-MASTERSPRING40-1129 When there is no other candidates in the cluster, the current `yield()` will give a leadership to the current active initiator back Therefore a `revoke()` might not be called at all * Fir the `RedisLockRegistryLeaderInitiatorTests` to check revoking after `stop()` instead of `yield()`