public void DrawRectTest()
{
var day = new Day08("", 3, 3);
day.DrawRect(2, 2);
var expected = new char[3, 3] {
{ day.GetLightOnChar(), day.GetLightOnChar(), ' ' },
{ day.GetLightOnChar(), day.GetLightOnChar(), ' ' },
{ ' ', ' ', ' ' }
};
Assert.Equal(expected, day.GetBoard());
}