al = so.sort(go4,Model(new Models::ModelImpl));
CPPUNIT_ASSERT_EQUAL((size_t)13u,al.size());
for (size_t i = 0; i < al.size(); ++i)
al = so.sort(go4,Model(new Models::ModelImpl));
CPPUNIT_ASSERT_EQUAL((size_t)13u,al.size());
for (size_t i = 0; i < al.size(); ++i)