public async void User_can_drag_a_widget_from_an_area_to_another_area()
{
// Given a widget in area blog sidebar1
var widgetId = await _svc.CreateWidgetAsync(MY_WIDGET_TYPE);
await _svc.AddWidgetToAreaAsync(widgetId, WidgetService.BlogSidebar1.Id, 0);
// When user drags the widget from area sidebar1 to area sidebar2
await _svc.RemoveWidgetFromAreaAsync(widgetId, WidgetService.BlogSidebar1.Id);
await _svc.AddWidgetToAreaAsync(widgetId, WidgetService.BlogSidebar2.Id, 0);
// Then area sidebar1 would not have the widget anymore
var area1 = await _svc.GetAreaAsync(WidgetService.BlogSidebar1.Id);
Assert.DoesNotContain(widgetId, area1.WidgetIds);
// and area sidebar2 would have the widget
var area2 = await _svc.GetAreaAsync(WidgetService.BlogSidebar2.Id);
Assert.Contains(widgetId, area2.WidgetIds);
// and widget's areaId will be updated too
var widgetAgain = await _svc.GetWidgetAsync(widgetId);
Assert.Equal(WidgetService.BlogSidebar2.Id, widgetAgain.AreaId);
}