test: filter out PRESENT action from sync/enter race

Author: owenpearson

test/ably/realtime/realtimepresence_test.py

@@ -342,7 +342,8 @@ async def test_presence_message_action(self):
         received = asyncio.Future()
 
         def on_presence(msg):
-            received.set_result(msg)
+            if msg.action == PresenceAction.ENTER:
+                received.set_result(msg)
 
         await channel1.presence.subscribe(on_presence)
         await channel1.presence.enter()