@Test
    @Disabled("TODO: add in embedded file markup")
    public void testEmbeddedPPTXTwoSlides() throws Exception {
        String xml = getXML("testPPT_embedded_two_slides.pptx", parseContext).xml;
        assertContains("<div class=\"embedded\" id=\"slide1_rId7\" />", xml);
        assertContains("<div class=\"embedded\" id=\"slide2_rId7\" />", xml);
    }
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