@Override
  public long stopDebug() {
    return doStopWithoutMessage(LoggerLevel.DEBUG);
  }
@Test
  public void fail_if_stop_without_start() {
    try {
      underTest.stopDebug("foo");
      fail();
    } catch (IllegalStateException e) {
      assertThat(e).hasMessage("Profiler must be started before being stopped");
    }
  }