public void RightNeighborContainedInNeighbors()
{
//arrange
Coordinate first = new Coordinate(1, 1);
Coordinate right = new Coordinate(2, 1);
bool expected = true;
//act
List<Coordinate> neighbors = first.getNeighbors();
bool actual = neighbors.Contains(right);
//assert
Assert.AreEqual(expected, actual);
}
