@Test
    public void testMalformedProgressFile() {
        boolean caughtIt = false;
        try {
            new ProgressToken("""
                    VDS bucket progress file
                    10
                    503
                    500
                    1024
                    28000000000000be:0
                    28000000000002be:""");
        } catch (IllegalArgumentException e) {
            caughtIt = true;
        }
        assertTrue(caughtIt);
    }
Test increasing the distribution bits for a full bucket space range
source with no finished, active or pending buckets
@throws ParseException upon docsel parse failure (shouldn't happen)
documentapi/src/test/java/com/yahoo/documentapi/VisitorIteratorTestCase.java