String ejbql = "delete from Painting AS p WHERE p.paintingTitle = 'P2'";
EJBQLQuery query = new EJBQLQuery(ejbql);
QueryResponse result = context.performGenericQuery(query);
int[] count = result.firstUpdateCount();
assertNotNull(count);
assertEquals(1, count.length);
assertEquals(1, count[0]);
ObjectContext freshContext = runtime.getContext();