Fix online chat actor tests, improve offline chat actor tests

The chat actor (and director) tests haven't been looked into in a long
while. They'd gone stale in how they were calling thee functions. And
what was required to run them. Now the online chat actor tests work
again.

tests/helpers.py

@@ -52,7 +52,10 @@ def generate_chat_history(message_list):
         message_to_log(
             user_message,
             chat_response,
-            {"context": context, "intent": {"query": user_message, "inferred-queries": f'["{user_message}"]'}},
+            {
+                "context": context,
+                "intent": {"type": "memory", "query": user_message, "inferred-queries": [user_message]},
+            },
             chat_history=chat_history,
         )
     return chat_history