1, battle.getElementsAt(new Point(6, 6)).size());
assertEquals(
"The map should'nt have any element at the position (4,4)", 0,
battle.getElementsAt(new Point(4, 4)).size());
battle.removeElement(elementsOnMap.iterator().next());
while (!elementsOnMap.isEmpty()) {
sleep(10);
elementsOnMap = battle.getElements();
}