@InterfaceAudience.Private
  @RestrictedApi(explanation = "Should only be called in tests", link = "",
      allowedOnPath = ".*/src/test/.*")
  public synchronized void choreForTesting() {
    chore();
  }
Returns true when this Chore is scheduled with a ChoreService
hbase-common/src/main/java/org/apache/hadoop/hbase/ScheduledChore.java