private static void CheckNumberOfItemsInTrash(int expectedNumberOfTrashbinItems)
{
var trashbin = LoadTrash();
if (trashbin == null)
{
Assert.IsTrue(true, "Trashbin doesn't exist!");
}
else
{
var numberOfTrashbinContents = trashbin.Children.OfType<TrashBag>().Count();
Assert.AreEqual(expectedNumberOfTrashbinItems,numberOfTrashbinContents, "The number of trashbag items in trash doesn't match the expected value");
}
}