bugfix for toll not loaded when tested

src/engine/objects/City.java

@@ -587,7 +587,7 @@ public class City extends AbstractWorldObject {
         if (this.treeOfLifeID == 0)
             return null;
 
-        return BuildingManager.getBuildingFromCache(this.treeOfLifeID);
+        return BuildingManager.getBuilding(this.treeOfLifeID);
     }
 
     /**