public void SampleTest()
 {
     Assert.Equal(100, Kata.FindLongest(new[] { 1, 10, 100 }));
     Assert.Equal(9000, Kata.FindLongest(new[] { 9000, 8, 800 }));
     Assert.Equal(900, Kata.FindLongest(new[] { 8, 900, 500 }));
 }