public void EditTest()
{
FakeContext mock = new FakeContext();
FakeUserInterface fakeUserInterface = new FakeUserInterface();
TaskControl ctrl = new TaskControl(mock, fakeUserInterface);
ToDoTask obj = new ToDoTask();
const string NAME = "test";
obj.Name = "cos";
ctrl.AddAsync(obj).Wait();
obj.Name = NAME;
ctrl.EditAsync(obj).Wait();
Assert.IsTrue(fakeUserInterface.isCalled);
Assert.AreEqual(1, mock.ListOfTasks.Count, "Count elements of Tasks is incorrect");
Assert.AreEqual(NAME, mock.ListOfTasks[0].Name, "Name of task is incorrect");
}