Image i = (Image) iQuery.get(Image.class,5551);
Image i = (Image) iQuery.get(Image.class,fixture.iu5551.getId());
    public void test_retrieveCollection() throws Exception    {        Image i = (Image) iQuery.get(Image.class,5551);        i.unload();        Set annotations = (Set) iPojos.retrieveCollection(i,Image.ANNOTATIONS,null);        assertTrue(annotations.size() > 0);    }