public void GivenAUniverseWithADeadCellWithThreeLiveNeighbours_WhenEvolved_TheCellComesAlive()
{
var deadCell = new FakeCellLocation();
var liveCell1 = new FakeCellLocation(deadCell);
var liveCell2 = new FakeCellLocation(deadCell);
var liveCell3 = new FakeCellLocation(deadCell);
deadCell.SetFakeNeighbours(new[] { liveCell1, liveCell2, liveCell3 });
var initialUniverse = new Universe(new[] { liveCell1, liveCell2, liveCell3 });
var evolvedUniverse = EvolveUniverse(initialUniverse);
Assert.That(evolvedUniverse.LiveCellLocations, Has.Member(deadCell));
}