code: public static void forceUnload() {
          if(factoryInstance != null) {
              factoryInstance.unload();
          }
  
          STACK.get().clear();
  
          factoryInstance = null;
      }
docs: Use this to force unload Torch. Probably used in tests only.
  
  This will NOT delete the database. It will only unload the factory and unregister all the Entities.