public void East_MoveFromCurrentPosition_ReturnsNewCoordinate_WithXMovedForward(
int currentX, int currentY, int newX)
{
Coordinates currentPosition = new Coordinates(currentX, currentY);
IDirection currentDirection = new East();
Coordinates newCoordinates = currentDirection.MoveFrom(currentPosition);
Assert.AreEqual(newCoordinates.XCoordinate, newX);
Assert.AreEqual(newCoordinates.YCoordinate, currentY);
}