tst_QDom relies on specific QHash ordering

    QString dtd("<?xml version='1.0' encoding='UTF-8'?>\n"
                   "<!DOCTYPE first [\n"
                   "<!ENTITY secondFile SYSTEM 'second.xml'>\n"
                   "<!ENTITY thirdFile SYSTEM 'third.xml'>\n"
                   "]>\n"
                   "<first/>\n");
    QDomDocument domDocument;
    QVERIFY(domDocument.setContent(dtd));
    QDomDocument domDocument2 = domDocument.cloneNode(true).toDocument();

    // for some reason, our DOM implementation reverts the order of entities
    QString expected("<?xml version='1.0' encoding='UTF-8'?>\n"
                   "<!DOCTYPE first [\n"
                   "<!ENTITY thirdFile SYSTEM 'third.xml'>\n"
                   "<!ENTITY secondFile SYSTEM 'second.xml'>\n"
                   "]>\n"
                   "<first/>\n");
    QString output;
    QTextStream stream(&output);
    domDocument2.save(stream, 0);
    QCOMPARE(output, expected);