assertEquals("test",
                extractorFactory.builder(new ByteArrayInputStream("test".getBytes()), null).filename("test.txt").extract().getContent());
    }

    public void test_addExtractor_weight() {
        final String key = "application/test";
        assertNull(extractorFactory.getExtractor(key));
        extractorFactory.addExtractor(key, new Extractor() {
            @Override