@Override
    public void preflight(Path file) throws BackgroundException {
        assumeRole(file, DELETEPERMISSION);
    }
@Test
    public void testPreflightFileAccessGrantedCustomProps() throws Exception {
        final Path file = new Path(new DefaultHomeFinderService(session).find(), new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.file));
        file.setAttributes(file.attributes().withAcl(new Acl(new Acl.CanonicalUser(), DELETEPERMISSION)));
        new CteraDeleteFeature(session).preflight(file);
        // assert no fail
    }