@Override
    public String getClass(final Path file) throws BackgroundException {
        return new GoogleStorageAttributesFinderFeature(session).find(file).getStorageClass();
    }
@Test(expected = NotfoundException.class)
    public void testNotFound() throws Exception {
        final Path container = new Path("cyberduck-test-eu", EnumSet.of(Path.Type.directory));
        final Path test = new Path(container, new AlphanumericRandomStringService().random(), EnumSet.of(Path.Type.file));
        final GoogleStorageStorageClassFeature feature = new GoogleStorageStorageClassFeature(session);
        feature.getClass(test);
    }