assertEquals(2, group.baseRelation().projections().size());
assertEquals(Expression.TRUE, group.baseRelation().condition());
Iterator<BindingMaker> it = group.bindingMakers().iterator();
BindingMaker bm3 = it.next();
BindingMaker bm4 = it.next();
assertTrue((bm3.condition() == null && bm4.condition() != null)
|| (bm3.condition() != null && bm4.condition() == null));
}
}