* Works on known set that failed before fix, provided by {@link #uuidVersionStringStream()}.
     */
    @Test
    void testCompareUuidVersionStringStream() {
        // this operation below fails with IAEx if comparison is unstable
        uuidVersionStringStream().map(this::newVersion).sorted().collect(toList());
    }

    private Stream<String> uuidVersionStringStream() {
        return Stream.of(