private BinaryIdContentPair generateIdContentPair(BinaryClassObject bco) {
        BinaryIdContentPair pair = new BinaryIdContentPair(idCount++,
                new BinaryOutputCapsule(this, bco));
        return pair;
    }
Saves the object into memory then loads it from memory.

Used by tests to check if the persistence system is working.

@param <T> The type of savable.
@param assetManager AssetManager to load assets from.
@param object The object to save and then load.
@return A new instance that has been saved and loaded from the
original object.
jme3-core/src/plugins/java/com/jme3/export/binary/BinaryExporter.java