child12 = new Child();
child12.setName( "Christophe" );
em.persist( child12 );
father1 = new Father();
father1.getOrderedChildren().add( child11 );
father1.getOrderedChildren().add( child12 );
em.persist( father1 );
child21 = new Child();
child21.setName( "Caroline" );
em.persist( child21 );
child22 = new Child();
child22.setName( "Thomas" );
em.persist( child22 );
father2 = new Father();
father2.getOrderedChildren().add( child21 );
father2.getOrderedChildren().add( child22 );
em.persist( father2 );
commitOrRollback( true );