private String getChunk(BinaryIdContentPair pair) {
        return new String(pair.getContent().bytes, 0, Math.min(64, pair
                .getContent().bytes.length));
    }
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