refactor(net): reduce shutdown drop-message log level to info; remove early close() in testProcessMessage test

Author: 0xbigapple

framework/src/main/java/org/tron/core/net/messagehandler/TransactionsMsgHandler.java

@@ -77,7 +77,7 @@ public boolean isBusy() {
   @Override
   public void processMessage(PeerConnection peer, TronMessage msg) throws P2pException {
     if (isClosed) {
-      logger.warn("TransactionsMsgHandler is closed, drop message");
+      logger.info("TransactionsMsgHandler is closed, drop message");
       return;
     }
     TransactionsMessage transactionsMessage = (TransactionsMessage) msg;
@@ -91,7 +91,7 @@ public void processMessage(PeerConnection peer, TronMessage msg) throws P2pExcep
     int dropSmartContractCount = 0;
     for (Transaction trx : transactionsMessage.getTransactions().getTransactionsList()) {
       if (isClosed) {
-        logger.warn("TransactionsMsgHandler is closed during processing, stop submit");
+        logger.info("TransactionsMsgHandler is closed during processing, stop submit");
         break;
       }
       int type = trx.getRawData().getContract(0).getType().getNumber();

framework/src/test/java/org/tron/core/net/messagehandler/TransactionsMsgHandlerTest.java

@@ -86,7 +86,6 @@ public void testProcessMessage() {
       transactionsMsgHandler.processMessage(peer, new TransactionsMessage(transactionList));
       Assert.assertNull(advInvRequest.get(item));
       //Thread.sleep(10);
-      transactionsMsgHandler.close();
       BlockingQueue<TrxEvent> smartContractQueue =
           new LinkedBlockingQueue(2);
       smartContractQueue.offer(new TrxEvent(null, null));