@Test
    void requireThatNoStreamsReturnNoResults() {
        PredicateSearch search = new PredicateSearch(new ArrayList<>(), new byte[0], new byte[0], new short[0], 1);
        assertEquals(0, search.stream().count());
    }
@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