public void Should_ShouldChangeState(SeatDay11 seat, int neighbours, bool expected)
        {
            var strategy = new CloseNeighboursStrategy();
            var result   = strategy.ShouldChangeState(seat, neighbours);

            Assert.Equal(expected, result);
        }
        public void Should_CountOccupiedNeighbours(SeatDay11[,] seats, int i, int j, int expected)
        {
            var strategy = new CloseNeighboursStrategy();
            var result   = strategy.CountOccupiedNeighbours(seats, i, j);

            Assert.Equal(expected, result);
        }