@Test
    @Disabled("TODO: executor-service info needs to be stored in TikaConfig for serialization")
    public void testExecutors() throws Exception {
        String xml = loadAndSerialize("TIKA-1762-executors.xml", TikaConfigSerializer.Mode.STATIC);
        assertContains("<executor-service class=\"org.apache.tika.config.DummyExecutor\">" +
                    " <core-threads>3</core-threads>" + " <max-threads>10</max-threads>" +
                    "</executor-service>", xml);
    }
TIKA-1445 It should be possible to exclude DefaultParser from
certain types, so another parser explicitly listed will take them
tika-core/src/test/java/org/apache/tika/config/TikaConfigSerializerTest.java