@Override
    public void preflight(Path file) throws BackgroundException {
        assumeRole(file, READPERMISSION);
    }
@Test
    public void testPreflightFileMissingCustomProps() throws Exception {
        final Path file = new Path(new DefaultHomeFinderService(session).find(), new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.file));
        file.setAttributes(file.attributes().withAcl(Acl.EMPTY));
        new CteraReadFeature(session).preflight(file);
    }