public void AddsNoItemsToFilledCollectionWhenItemsToAddIsEmpty()
{
var collection = new Collection<int> { 1, 2, 3 };
var newList = new List<int>();
collection.AddRange(newList);
Assert.AreEqual(3, collection.Count);
Assert.AreEqual(1, collection[0]);
Assert.AreEqual(2, collection[1]);
Assert.AreEqual(3, collection[2]);
}
}