private void addDefaultResults() {
        Query q = new Query("?query=default");
        Result r = new Result(q);
        r.hits().add(new Hit("http://default-1.html", 0));
        r.hits().add(new Hit("http://default-2.html", 0));
        r.hits().add(new Hit("http://default-3.html", 0));
        r.hits().add(new Hit("http://default-4.html", 0));
        defaultFilledResult = r;
        addResult(q, r);
    }
Adds a result which can be searched for and filled.
Summary fields starting by "a" are attributes, others are not.

@return true when replacing an existing &lt;query, result&gt; pair.
container-search/src/main/java/com/yahoo/search/searchchain/testutil/DocumentSourceSearcher.java