public int getServerWithMeta() {
    return getServerWith(RegionInfoBuilder.FIRST_META_REGIONINFO.getRegionName());
  }
@return Index into List of {@link MiniHBaseCluster#getRegionServerThreads()} of HRS carrying
        regionName. Returns -1 if none found.
hbase-testing-util/src/main/java/org/apache/hadoop/hbase/MiniHBaseCluster.java