@Test
public void test_file_noReferences() throws Exception {

    File p = new File("src/test/resources/filevault/noReferences");
    FileArchive archive = new FileArchive(p);
    FileVaultNameFinder finder = new FileVaultNameFinder();
    Set<QName> names = finder.search(archive);
    LOGGER.info("names: {}", names);
    assertTrue("name search should return no references", names.isEmpty());
}