test: added tests

[
    See test_continuous_collect.py
]

[ref]: N25B-206

src/control_backend/agents/belief_collector/behaviours/continuous_collect.py

@@ -67,7 +67,7 @@ class ContinuousBeliefCollector(CyclicBehaviour):
         }
 
         """
-        beliefs = payload.get("beliefs", dict)
+        beliefs = payload.get("beliefs", {})
 
         if not beliefs:
             logger.info("BeliefCollector: no beliefs to process.")

src/control_backend/agents/mock_agents/belief_text_mock.py

@@ -12,8 +12,7 @@ class BeliefTextAgent(Agent):
             # Send multiple beliefs in one JSON payload
             payload = {
                 "type": "belief_extraction_text",
-                "beliefs": {"user_said": [["hello","test"],["Can you help me?"],["stop talking to me"],["No"],["Pepper do a dance"]]}
-                
+                "beliefs": {"user_said": [["hello test"],["Can you help me?"],["stop talking to me"],["No"],["Pepper do a dance"]]}     
             }
 
             msg = Message(to=to_jid)