private FanOutOneBlockAsyncDFSOutput create(String file)
    throws IllegalArgumentException, IOException {
    EventLoop eventLoop = EVENT_LOOP_GROUP.next();
    return FanOutOneBlockAsyncDFSOutputHelper.createOutput(FS, new Path("/test_lease_renew"), true,
      false, (short) 3, FS.getDefaultBlockSize(), eventLoop, CHANNEL_CLASS, MONITOR, true);
  }
Make sure lease renewal works. Since it is in a background thread, normal read/write test can not
verify it.
<p>
See HBASE-28955 for more details.
hbase-asyncfs/src/test/java/org/apache/hadoop/hbase/io/asyncfs/TestLeaseRenewal.java