@Test
    public void testSequencing() throws InterruptedException {
        testNoExtraSequencingOfNormalOp();
        testSequencingWhenChangingId();
        testSequencingWhenAddingOtherId();
        testSequencingWhenAddingSameId();
    }
@author <a href="mailto:einarmr@yahoo-inc.com">Einar M R Rosenvinge</a>
docproc/src/test/java/com/yahoo/docproc/jdisc/DocumentProcessingHandlerForkTestCase.java