public void BasicTests()
{
Assert.Equal(string.Join(",", new[] { "*" }), string.Join(",", Kata.TowerBuilder(1)));
Assert.Equal(string.Join(",", new[] { " * ", "***" }), string.Join(",", Kata.TowerBuilder(2)));
Assert.Equal(string.Join(",", new[] { " * ", " *** ", "*****" }), string.Join(",", Kata.TowerBuilder(3)));
}