[ci] rework pythonActorTest to take a dictionary as input.

pypushflow/test/pythonActorTest.py

@@ -25,10 +25,10 @@ __date__ = "28/05/2019"
 
 import time
 
-def run(name, **kwargs):
-
+def run(input_, **kwargs):
     time.sleep(5)
     reply = None
-    if name is not None:
+    if 'name' in input_ and input_['name'] is not None:
+        name = input_['name']
         reply = 'Hello ' + name + '!'
     return {'reply': reply}