public void UpdateCoordinatesTest()
{
BattleArea battleArea = new BattleArea();
CoOrdinates coords = new CoOrdinates('1', 'Y');
coords.Value = 1;
battleArea.GetAcquireCoordinates().Add(coords);
battleArea.UpdateCoordinates(new CoOrdinates('1', 'Y'));
Assert.AreEqual(battleArea.GetAcquireCoordinates()[0].Value, 0);
}