* MDF [workflow] revert changes

Signed-off-by: wayne <yukang.wei@emqx.io>

.github/scripts/mqtt_test_v5.py

@@ -192,7 +192,7 @@ def test_topic_alias():
     pid = Value('i', 0)
     process1 = Process(target=cnt_message, args=(sub_cmd, cnt, pid, "message"))
     process1.start()
-    time.sleep(2)
+    time.sleep(1)
     process2 = subprocess.Popen(pub_cmd,
                                stdout=subprocess.PIPE,
                                universal_newlines=True)
@@ -204,7 +204,6 @@ def test_topic_alias():
         time.sleep(1)
         times += 1
 
-    time.sleep(2)
     process1.terminate()
     os.kill(pid.value, signal.SIGKILL)
     if cnt.value == 10:

.github/scripts/rest_api_test.py

@@ -1,6 +1,5 @@
 import requests
 import json
-from time import sleep
 from collections import namedtuple
 
 base_url = "http://127.0.0.1:8081/api/v4"
@@ -12,7 +11,6 @@ def test_get_api():
 
     for p in paths:
         print("testing Get API: " + base_url + p)
-        sleep(0.5)
         response = requests.get(base_url + p, auth=('admin', 'public'), headers={'Connection':'close'})
 
         if response.status_code != 200: