[Fact] // Positivo simple
        public void FibonaccioSizeSeven()
        {
            // Arrange
            IEnumerable <uint> serieExpected = new List <uint> {
                0, 1, 1, 2, 3, 5, 8
            };
            // Act
            IEnumerable <uint> serieGenerated = FibonacciLinq.GenerateSerie(7);

            // Assert
            Assert.Equal(serieExpected, serieGenerated);
        }
 [Fact] // Test negativo simple
 public void FibonacciSizeZeroTest()
 {
     // Assert
     Assert.Empty(FibonacciLinq.GenerateSerie(0));
 }