@Test
public void testUnsuitable() throws Exception {

  try {
    final Configuration conf = new Configuration();
    // all files 13k or less
    conf.setLong(FilePool.GRIDMIX_MIN_FILE, 14 * 1024);
    final FilePool pool = new FilePool(conf, base);
    pool.refresh();
  } catch (IOException e) {
    return;
  }
  fail();
}