@Override
        public Result search(Query query, Execution execution) {
            Execution exec = new Execution(execution);
            exec.timer().injectTimeSource(
                    new CreativeTimeSource(SEARCH_TIMESEQUENCE));
            exec.context().setDetailedDiagnostics(true);
            Result r = exec.search(new Query());
            SearcherTimer[] searchers = exec.timer().searcherTracking();
            assertNull(searchers[0].getInvoking(Activity.SEARCH));
            checkTiming(searchers, 1);
            return r;
        }
Check sanity of TimeTracker and ElapsedTime.

@author Steinar Knutsen
container-search/src/test/java/com/yahoo/search/statistics/ElapsedTimeTestCase.java