@Benchmark
  @Threads(1)
  public void testCounterCellMutation(CounterCellState counterState) throws Exception {
    counterState.counterCell.inc();
  }
@Test
  public void testCounterCellMutation() throws Exception {
    CounterCellState state = new CounterCellState();
    new MetricsBenchmark().testCounterCellMutation(state);
    state.check();
  }