protected override void Given()
 {
     _enchufeAmericano = Mock.Of <IEnchufeAmericano>();
 }
 protected override void Given()
 {
     _enchufeAmericano = default(IEnchufeAmericano);
 }
 public TaladroAmericano(IEnchufeAmericano enchufeAmericano)
 {
     _enchufeAmericano =
         enchufeAmericano
         ?? throw new ArgumentException();
 }