public void ArchiveTask_MovesItemFromClosedToArchive()
{
sut.CreateTask(taskId, TaskDescription);
IEnumerable <Task> initialBacklogTasks = sut.GetBacklogTasks();
var id = initialBacklogTasks.First().Id;
sut.SheduleTask(id);
sut.BeginWorkOnTask(id);
sut.CloseTask(id);
sut.ArchiveTasks();
IDictionary <DateTime, IEnumerable <Task> > archivedTasks = sut.GetArchivedTasks();
IEnumerable <Task> closedTasks = sut.GetClosedTasks();
archivedTasks[archivedTasks.Keys.First()].First().Description.ShouldEqual(TaskDescription);
closedTasks.Count().ShouldEqual(0);
}