@BeforeClass
  public static void setUp() throws Exception {
    UTIL.startMiniCluster(StartTestingClusterOption.builder().numRegionServers(1).build());
    hRegionServer = UTIL.getMiniHBaseCluster().getRegionServer(0);
  }
Tests to validate if HRegionServer default chores are scheduled
hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRSChoresScheduled.java