message: [state-sync] disable test_fn_failover flaky test
  Closes:
diff: @@ -801,6 +801,7 @@ fn test_sync_pending_ledger_infos() {
  }
  #[test]
  +#[ignore] // TODO: https://github.com/libra/libra/issues/5771
  fn test_fn_failover() {
  let mut env = SynchronizerEnv::new(5);
  env.start_next_synchronizer(
  