assertThat(startupTimes).hasSize(2);
    assertThat(startupTimes.get(a)).isAtLeast(Duration.ofMillis(150));
    assertThat(startupTimes.get(b)).isAtLeast(Duration.ofMillis(353));
  }

  public void testServiceStartupTimes_selfStartingServices() {
    // This tests to ensure that:
    // 1. service times are accurate when the service is started by the manager