@Test(dependsOnMethods = "testTransactionOptimisticRollback")
public void testTransactionOptimisticCommit() throws IOException {
ODatabaseFlat db1 = new ODatabaseFlat(url);
db1.open("admin", "admin");
long tot = db1.countClusterElements("binary");
db1.begin();
ORecordFlat record1 = new ORecordFlat(db1);
record1.value("This is the first version").save("binary");