test(producer) add exception test in async send message
diff --git a/test/TestSendMessages.py b/test/TestSendMessages.py
index a5cde58..142b6d8 100644
--- a/test/TestSendMessages.py
+++ b/test/TestSendMessages.py
@@ -250,11 +250,11 @@
 
 def send_message_async_success(result, msg):
     print 'send success'
-    pass
+    print 'msg id =' + result.GetMsgId()
 
 def send_message_async_fail(msg, exception):
-    print 'send failed'
-    pass
+    print 'send message failed'
+    print 'error msg: ' + exception.GetMsg()
 
 if __name__ == '__main__':
     send_message_orderly(10)