public void GetDuplicated_Four_Numbers_Test()
{
List<int> valores = new List<int>(new int[] { 1, 1, 2, 3 });
Lista target = new Lista(valores); // TODO: Initialize to an appropriate value
List<int> expected = new List<int>(new int[] { 1 });
List<int> actual = target.GetDuplicated();
Assert.AreEqual(expected[0], actual[0]);
}