@SuppressWarnings("unchecked")
@Test
public void createGraphInTx() {
ODatabaseDocumentTx db = new ODatabaseDocumentTx(url);
db.open("admin", "admin");
db.begin();
ODocument kim = new ODocument(db, "Profile").field("name", "Kim").field("surname", "Bauer");
ODocument teri = new ODocument(db, "Profile").field("name", "Teri").field("surname", "Bauer");