PessimisticTxPartitionAndMergeDuringRollbackTest.testDegradedPartitionWithDiscard failures

#Node C discards the rollback (as expected)
15:34:04,611 TRACE (jgroups-11,PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeC-27886) [org.infinispan.partitionhandling.BaseTxPartitionAndMergeTest] [Discard] Checking command RollbackCommand {gtx=GlobalTx:PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeA-2726:6, cacheName='pes-cache', topologyId=13}.
15:34:04,611 TRACE (jgroups-11,PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeC-27886) [org.infinispan.partitionhandling.BaseTxPartitionAndMergeTest] [Discard] Discarding command RollbackCommand {gtx=GlobalTx:PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeA-2726:6, cacheName='pes-cache', topologyId=13}.

#we split the cluster now
15:34:04,612 DEBUG (testng-PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]) [org.infinispan.partitionhandling.PessimisticTxPartitionAndMergeDuringRollbackTest] Splitting cluster in equal partition

#topology changed on originator and it retries the rollback
15:34:04,623 TRACE (remote-thread-PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeA-p34-t6) [org.infinispan.remoting.transport.impl.MultiTargetRequest] Target PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeC-27886 of request 25 left the cluster view
15:34:04,623 TRACE (remote-thread-PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeA-p34-t6) [org.infinispan.statetransfer.StateTransferInterceptor] Retrying command RollbackCommand {gtx=GlobalTx:PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeA-2726:6, cacheName='pes-cache', topologyId=14} for topology 14

#command isn't discarded and it is enqueued. NodeC is still in topology 13.
#this is wrong. the test expects the rollback to be lost.
15:34:04,629 TRACE (jgroups-11,PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeC-27886) [org.infinispan.partitionhandling.BaseTxPartitionAndMergeTest] [Discard] Checking command RollbackCommand {gtx=GlobalTx:PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeA-2726:6, cacheName='pes-cache', topologyId=14}.
15:34:04,629 TRACE (jgroups-11,PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeC-27886) [org.infinispan.statetransfer.StateTransferLockImpl] Checking if transaction data was received for topology 14, current topology is 13
15:34:04,629 TRACE (jgroups-11,PessimisticTxPartitionAndMergeDuringRollbackTest[DIST_SYNC]-NodeC-27886) [org.infinispan.util.concurrent.BlockingTaskAwareExecutorServiceImpl]
 Added a new task to the queue: 1 task(s) are waiting