@Test
public void testGetMaxConcurrentRunsOneFlow() {

  Props props = new Props();
  assertThat(ExecutorUtils.getMaxConcurrentRunsOneFlow(props)).isEqualTo(
      Constants.DEFAULT_MAX_ONCURRENT_RUNS_ONEFLOW);
  // set explictly
  props.put(Constants.ConfigurationKeys.MAX_CONCURRENT_RUNS_ONEFLOW, 5);
  assertThat(ExecutorUtils.getMaxConcurrentRunsOneFlow(props)).isEqualTo(
      5);
}