@Override
        public void accept(String name, Object value) {
            if (name.equals("string_value"))
                fail("Expected string_value to be received as UTF-8");
            traversed.put(name, value);
        }
Asserts that the expected fields are what is returned from every access method of Hit
container-search/src/test/java/com/yahoo/prelude/fastsearch/SlimeSummaryTestCase.java