@Override
        public Result search(Query query, Execution execution) {
            Result result = new Result(query);
            Hit hit = new Hit("test");
            hit.setField("test", "hello");
            result.hits().add(hit);
            return result;
        }
Test for aynchrounous execution

@author Arne Bergene Fossaa
container-search/src/test/java/com/yahoo/search/searchchain/AsyncExecutionTestCase.java