public void testProjectionResultIsCached() {
Broker broker = _factory.newBroker();
Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a.age FROM " +
CacheObjectAChild1.class.getSimpleName() + " a");
Collection c = (Collection) q.execute();
CacheTestHelper.iterate(c);
CacheTestHelper.assertInCache(this, q, Boolean.TRUE);
c = (Collection) q.execute();
Object o = c.iterator().next();