@Test
public final void testPrint() {

    LoggingStatisticCollector collector = new LoggingStatisticCollector();
    collector.submit("insertIntoA", 100, 20, TimeUnit.MILLISECONDS);
    collector.submit("insertIntoA", 101, 21, TimeUnit.MILLISECONDS);
    collector.submit("insertIntoA", 102, 22, TimeUnit.MILLISECONDS);
    collector.submit("insertIntoB45", 102, 0, TimeUnit.MILLISECONDS);
    String x = collector.print();
    logger.debug(x);
}