public void Should_calculate_biggest_magnitude_for_two_numbers()
{
var inputPath = Path.Combine(TestContext.CurrentContext.TestDirectory, "Day18Tests/Input/example.txt");
var input = File.ReadLines(inputPath);
var result = Day18.CalculateBiggestMagnitude(input.ToArray());
Assert.That(result, Is.EqualTo(3993));
}