@Test
    void testWordAlternatives() {
        QueryTree x = parseWhere("{\"contains\" : [\"foo\", {\"alternatives\" : [{\"trees\": 1.0, \"tree\": 0.7}]}]}");
        Item root = x.getRoot();
        assertSame(WordAlternativesItem.class, root.getClass());
        WordAlternativesItem alternatives = (WordAlternativesItem) root;
        checkWordAlternativesContent(alternatives);
    }
Tests Query.Select

@author henrhoi
@author bratseth
container-search/src/test/java/com/yahoo/select/SelectTestCase.java