public void Delete_InCollection()
{
var task = new Task("(B) Delete_InCollection +test @task");
var tl = new TaskList(Data.TestDataPath);
tl.Add(task);
var tasks = new OrderedList<Task>(tl.Tasks);
tasks.Remove(tasks.Where(x => x.Raw == task.Raw).First());
tl.Delete(task);
var newTasks = tl.Tasks.ToList();
Assert.AreEqual(tasks.Count, newTasks.Count);
for (int i = 0; i < tasks.Count; i++)
Assert.AreEqual(tasks[i].ToString(), newTasks[i].ToString());
}