@Test
    void testEmptyBoolean() {
        QueryProfile p = new QueryProfile("test");
        p.setDimensions(new String[]{"x", "y"});
        p.set("clustering.something", "bar", null);
        p.set("clustering.something", "bar", new String[]{"x1", "y1"}, null);
        p.freeze();
        Query q = new Query(HttpRequest.createTestRequest("?x=x1&y=y1&query=bar&clustering.timeline.kano=tur&" +
                "clustering.enable=true&clustering.timeline.bucketspec=-" +
                "7d/3h&clustering.timeline.tophit=false&clustering.timeli" +
                "ne=true", Method.GET), p.compile(null));
        assertTrue(q.properties().getBoolean("clustering.timeline", false));
    }
Tests having both an explicit reference and an override
container-search/src/test/java/com/yahoo/search/query/profile/test/QueryProfileTestCase.java