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