@Before
  public void setUp() throws IOException {
    procStore = new DummyProcedureStore();
    procStore.start(4);
    procExec = new ProcedureExecutor<Void>(HBTU.getConfiguration(), null, procStore);
    procExec.init(4, true);
    procExec.startWorkers();
  }
Testcase for HBASE-28210, where we persist the procedure which has been inserted later to
{@link RootProcedureState} first and then crash, and then cause holes in stack ids when loading,
and finally fail the start up of master.
hbase-procedure/src/test/java/org/apache/hadoop/hbase/procedure2/TestStackIdHoles.java