message: Fix test random panic
  panic with "json-rpc: signal: 4, SIGILL: illegal instruction"
diff: @@ -208,9 +208,29 @@ mod test {
  ::logger::init_for_test();
  let mut system = System::new("test");
  system.block_on(async {
  + let conf = Arc::new(NodeConfig::random_for_test());
  + let mut miner = Miner::<ArgonConsensusHeader>::new(BusActor::launch(), conf);
  + let stratum = {
  + let addr = "127.0.0.1:9000".parse().unwrap();
  + let dispatcher = Arc::new(StratumManager::new(miner.clone()));
  + Stratum::start(&addr, dispatcher, None).unwrap()
  + };
  let actor = MinerClientActor::<ArgonConsensus>::new("127.0.0.1:9000".parse().unwrap());
  actor.start();
  - let _ = async_std::future::timeout(Duration::from_secs(7), prepare()).await;
  + let mine_ctx = {
  + let header = BlockHeader::default();
  + let body = BlockBody::default();
  + let block = Block::new(header, body);
  + let mut block_template = BlockTemplate::from_block(block);
  + block_template.difficult = U256::max_value();
  + MineCtx::new(block_template)
  + };
  + Delay::new(Duration::from_millis(3000)).await;
  + miner.set_mint_job(mine_ctx);
  + for _ in 1..10 {
  + stratum.push_work_all(miner.get_mint_job()).unwrap();
  + Delay::new(Duration::from_millis(500)).await;
  + }
  });
  }
  }
  