Integer b = new Integer(1);
AABB aabb = new AABB();
aabb.lowerBound.x = -10;
aabb.lowerBound.y = -10;
int proxy1 = tree.createProxy(aabb, a);
System.out.println("proxy1: " + proxy1);
assertNotNull(tree.getFatAABB(proxy1));
System.out.println("fat aabb: " + tree.getFatAABB(proxy1));
assertTrue(tree.getFatAABB(proxy1).contains(aabb));