public void It_ticks_with_a_birth()
{
var seed = new List <int[]> {
new[] { 2, 0 }, new[] { 1, 1 }, new[] { 2, 1 }
};
var game = new GameOfLife(seed);
var births = game.Births();
Assert.Equal(new List <int[]> {
new[] { 1, 0 }
}, births);
}