@Test
    public void testEmbeddedMedia() throws Exception {
        List<Metadata> metadataList =
                getRecursiveMetadata("testPPT_embeddedMP3.pptx", parseContext);
        assertEquals(4, metadataList.size());
        assertEquals("application/vnd.openxmlformats-officedocument.presentationml.presentation",
                metadataList.get(0).get(Metadata.CONTENT_TYPE));
        assertEquals("audio/mpeg", metadataList.get(1).get(Metadata.CONTENT_TYPE));
        assertEquals("image/png", metadataList.get(2).get(Metadata.CONTENT_TYPE));
        assertEquals("image/jpeg", metadataList.get(3).get(Metadata.CONTENT_TYPE));

    }
TIKA-712 Master Slide Text from PPT and PPTX files
should be extracted too
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/test/java/org/apache/tika/parser/microsoft/ooxml/SXSLFExtractorTest.java