@Override
public MetadataNode getMetadata( String metadataDomain, ProgressListener listener ) {
MetadataNode metadataNode = new MetadataNode();
Map<String, MetadataAttribute> attributes = new HashMap<String, MetadataAttribute>();
attributes.put("testAttribute", new MetadataAttribute());
metadataNode.setAttributes(attributes);
metadataNode.setNodes(new ArrayList<MetadataNode>());
return metadataNode;
}