@Override
  public void setUpBase() throws Exception {
    super.setUpBase();
    // set up two replication peers and only 1 rs to test claim replication queue with multiple
    // round
    addPeer(PEER_ID3, tableName3);
  }
Make sure we will wait until all the SCPs finished in RemovePeerProcedure.
<p/>
See HBASE-27109 for more details.
hbase-server/src/test/java/org/apache/hadoop/hbase/replication/TestRemovePeerProcedureWaitForSCP.java