public void CalculateSpacecraftFuelRequirementsInfIncludingFuelMass() { var modulesMasses = File.ReadAllText("Input.txt") .Split(Environment.NewLine) .Select(x => Convert.ToInt32(x)); Assert.Equal(4967616, FuelCalculator.CalculateSpacecraftFuelRequirementIncludingFuelMass(modulesMasses)); }