more default params for post_test_message

tests/__init__.py

@@ -157,9 +157,11 @@ def test_message(secret='', **fields):
     return result
 
 def post_test_message(
-        path, host,
         secret,
-        f_id, f_type, f_actor, f_object,
+        f_type, f_actor, f_object,
+        path=INBOX_PATH,
+        host=INBOX_HOST,
+        f_id=ACTIVITY_ID,
         client = None,
         ):
 

tests/test_inbox.py

@@ -34,9 +34,7 @@ class TestInbox(TestCase):
 
         post_test_message(
             path = ALICE_INBOX,
-            host = 'europa.example.com',
             secret = keys['private'],
-            f_id = ACTIVITY_ID,
             f_type = "Follow",
             f_actor = REMOTE_FRED,
             f_object = LOCAL_ALICE,