public void PublishesImmediately()
        {
            _watcher
            .Setup(x => x.WatchFolder(_project.WatchFolders.Single()))
            .Returns(Observable.Never(RelPath.Empty));

            var messages = new List <Project>();

            _testee.GetChanges().Subscribe(messages.Add);
            _scheduler.AdvanceTo(TimeSpan.FromSeconds(1).Ticks);
            messages
            .Should()
            .BeEquivalentTo(new[] { _project });
        }