ProjectCow.Spaceship.MoveDown C# (CSharp) Method

        public void MoveDown()
        {
            if (position.Y + Height< BottomBoundary)
                position.Y += Speed;
        }

        public void MoveDownTest()
        {
            Spaceship spaceship = new Spaceship();
            spaceship.Y = 0;

            spaceship.MoveDown();

            Assert.AreEqual(0 + spaceship.Speed, spaceship.Y);
        }