### Question:
StoppedKamonTimer implements StoppedTimer { @Override public Map<String, String> getTags() { return new HashMap<>(tags); } private  StoppedKamonTimer(final String name, final Map<String, String> tags, final long startTimestamp,
            final Map<String, StartedTimer> segments, List<OnStopHandler> onStopHandlers); @Override Duration getDuration(); @Override Map<String, String> getTags(); @Nullable @Override String getTag(final String key); @Override String getName(); @Override String toString();  }### Answer:
@Test public void getTags() { assertThat(sut.getTags().keySet()).hasSize(1); }