@Test(dataProvider = "getNumberOfAckers")
public void ifAckEnabledShouldReturnTrueForOneOrMoreAckers(int ackers, boolean expected) {

  Config config = new Config();
  assertThat(BenchmarkUtils.ifAckEnabled(config)).isFalse();
  config.put(Config.TOPOLOGY_ACKER_EXECUTORS, ackers);
  assertThat(BenchmarkUtils.ifAckEnabled(config)).isEqualTo(expected);
}