@Test
    void testMultipleOutputs() {
        String grouping = "[ { \"all\" : { \"group\" : \"b\", \"each\" : {\"output\": [ \"count()\", \"avg(foo)\" ] } } } ]";
        String expected = "[[]all(group(b) each(output(count(), avg(foo))))]";
        assertGrouping(expected, parseGrouping(grouping));
    }
Tests Query.Select

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