@Override
      public void postLogRoll(final Path oldPath, final Path newPath) throws IOException {
        latch.countDown();
      }
Tests that base replication peer configs are applied on peer creation and the configs are
overriden if updated as part of updateReplicationPeerConfig()
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestMasterReplication.java