@Test
    public void testHeifDetection() throws Exception {
        // HEIF image using the HEVC Codec == HEIC
        //  created using https://compare.rokka.io/_compare on testJPEG_GEO.jpg
        assertType("image/heic", "testHEIF.heic");
        assertTypeByData("image/heic", "testHEIF.heic");
        assertTypeByName("image/heic", "testHEIF.heic");

        // TODO Create a HEIF using another codec, to test .heif data
        assertTypeByName("image/heif", "testHEIF.heif");
    }
Note - detecting container formats by mime magic is very very
iffy, as we can't be sure where things will end up.
People really ought to use the container aware detection...
tika-parsers/tika-parsers-standard/tika-parsers-standard-package/src/test/java/org/apache/tika/mime/TestMimeTypes.java