@BeforeClass
  public static void setUp() throws Exception {
    UTIL.startMiniCluster(StartTestingClusterOption.builder().numRegionServers(1).build());
    hMaster = UTIL.getMiniHBaseCluster().getMaster();
  }
Tests to validate if HMaster default chores are scheduled
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterChoreScheduled.java