private static SimplePostingList postingList(long subquery, SimplePostingList.Entry... entries) {
        return new SimplePostingList(subquery, entries);
    }
@author <a href="mailto:magnarn@yahoo-inc.com">Magnar Nedland</a>
@author bjorncs
predicate-search/src/test/java/com/yahoo/search/predicate/index/PredicateSearchTest.java