@Before
public void prepareDb() throws Exception {
getTransactionManager().begin();
final EntityManager em = getFactory().createEntityManager();
owner = new AccountOwner( "owner_1" );
owner.setSSN( "0123456" );
soge = new BankAccount( "account_1" );
soge.setAccountNumber( "X2345000" );
soge.getOwners().add( owner );