Explicit locking has no effect in distributed mode

The testcase org.infinispan.replication.SyncReplLockingTest has been copied to org.infinispan.distribution.DistSyncLockingTest (see attachment) and the cache mode has been changed from replicated to distributed. I would expect this new test case to pass, but it doesn't. It comfirms other distributed locking tests I have done with two standalone Java processes.