### Question:
WatcherService { public void removeWatch(SwitchId switchId, int portNo) { } WatcherService(IWatcherServiceCarrier carrier, long awaitTime); void addWatch(SwitchId switchId, int portNo, long currentTime); void removeWatch(SwitchId switchId, int portNo); void tick(long tickTime); void confirmation(SwitchId switchId, int portNo, long packetNo); void discovery(SwitchId switchId, int portNo, SwitchId endSwitchId, int endPortNo, long packetNo, long currentTime); Set<Packet> getConfirmations(); SortedMap<Long, Set<Packet>> getTimeouts();  }### Answer:
@Test public void removeWatch() { }