code: @Test public void should_dirty_check_list_element_prepend() throws Exception {
    bean.getFriends().add(0,"one");
    bean.getFriends().addAll(0,asList("two","three"));
    manager.update(bean);
    Row row=session.execute("select friends from CompleteBean where id=" + bean.getId()).one();
    List<String> friends=row.getList("friends",String.class);
    assertThat(friends).hasSize(5);
    assertThat(friends.get(0)).isEqualTo("three");
    assertThat(friends.get(1)).isEqualTo("two");
    assertThat(friends.get(2)).isEqualTo("one");
  }
  