private Query createQuery() {
        return new Query("?query=foo&" +
            "multipleresultsets.numHits=music:15,movies:15&" +
            "multipleresultsets.additionalHitsFactor=0.8&" +
            "multipleresultsets.maxTimesRetrieveHeterogeneousHits=3");
    }
Test of MultipleResultsSearcher

@author Tony Vaagenes
container-search/src/test/java/com/yahoo/prelude/searcher/test/MultipleResultsTestCase.java