private void checkTiming(SearcherTimer[] searchers, int offset) {
        assertEquals(Long.valueOf(1L), searchers[0 + offset].getInvoking(Activity.SEARCH));
        assertEquals(Long.valueOf(1L), searchers[1 + offset].getInvoking(Activity.SEARCH));
        assertEquals(Long.valueOf(1L), searchers[2 + offset].getInvoking(Activity.SEARCH));
        assertEquals(Long.valueOf(1L), searchers[2 + offset].getReturning(Activity.SEARCH));
        assertEquals(Long.valueOf(1L), searchers[1 + offset].getReturning(Activity.SEARCH));
        assertEquals(Long.valueOf(1L), searchers[0 + offset].getReturning(Activity.SEARCH));
    }
Check sanity of TimeTracker and ElapsedTime.

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