@Test
    public void testXMLReaderUtilsUnspecifiedAttribute() throws Exception {
        TikaConfig tikaConfig = getConfig("TIKA-3551-xmlreaderutils.xml");
        assertEquals(XMLReaderUtils.DEFAULT_MAX_ENTITY_EXPANSIONS, XMLReaderUtils.getMaxEntityExpansions());
    }
TIKA-1653 If one parser has child parsers, those child parsers shouldn't
show up at the top level as well
tika-core/src/test/java/org/apache/tika/config/TikaConfigTest.java