@Test
public void buildEntryPropertiesFromExisting() throws Exception {
URI serviceRoot = new URI("http://localhost:80/");
Map<String, ODataCallback> callbacks = new HashMap<String, ODataCallback>();
callbacks.put("aCallback", new MyCallback(null, null));
ExpandSelectTreeNode expandSelectTree = new ExpandSelectTreeNodeImpl();
URI selfLink = new URI("http://some.uri");
Map<String, Map<String, Object>> links = new HashMap<String, Map<String, Object>>();
links.put("aNavigationProperty", Collections.<String, Object> emptyMap());
final EntityProviderWriteProperties properties = EntityProviderWriteProperties.serviceRoot(serviceRoot)