fix ask-user test snapshots (github#319)

Author: qmuntal

test/snapshots/ask-user/should_handle_freeform_user_input_response.yaml

@@ -16,6 +16,6 @@ conversations:
               arguments: '{"question":"What is your favorite color?","allow_freeform":true}'
       - role: tool
         tool_call_id: toolcall_0
-        content: "User response (freeform): This is my custom freeform answer that was not in the choices"
+        content: "User responded: This is my custom freeform answer that was not in the choices"
       - role: assistant
-        content: 'Your answer was: "This is my custom freeform answer that was not in the choices"'
+        content: 'You answered: "This is my custom freeform answer that was not in the choices"'

test/snapshots/ask_user/handle_freeform_user_input_response.yaml

@@ -16,6 +16,6 @@ conversations:
               arguments: '{"question":"What is your favorite color?","allow_freeform":true}'
       - role: tool
         tool_call_id: toolcall_0
-        content: "User response (freeform): This is my custom freeform answer that was not in the choices"
+        content: "User responded: This is my custom freeform answer that was not in the choices"
       - role: assistant
         content: 'You answered: "This is my custom freeform answer that was not in the choices"'

test/snapshots/askuser/should_handle_freeform_user_input_response.yaml

@@ -13,9 +13,9 @@ conversations:
             type: function
             function:
               name: ask_user
-              arguments: '{"question":"What is your favorite color?"}'
+              arguments: '{"question":"What is your favorite color?","allow_freeform":true}'
       - role: tool
         tool_call_id: toolcall_0
-        content: "User response (freeform): This is my custom freeform answer that was not in the choices"
+        content: "User responded: This is my custom freeform answer that was not in the choices"
       - role: assistant
         content: 'You answered: "This is my custom freeform answer that was not in the choices"'