func (s *MachineRemovalSuite) createRemovalWatcher(c *gc.C, st *state.State) ( state.NotifyWatcher, testing.NotifyWatcherC, ) { w := st.WatchMachineRemovals() s.AddCleanup(func(c *gc.C) { workertest.CleanKill(c, w) }) return w, testing.NewNotifyWatcherC(c, st, w) }