Add tests for the Conversation object

test/fixtures/action_text/rich_texts.yml

@@ -13,4 +13,12 @@ layout_overflowing_david:
   name: body
   body: The text is overflowing the container.
 
+kevins_conversation_question:
+  record: kevin_question (Conversation::Message)
+  name: content
+  body: "Who is on a hot-streak?"
 
+kevins_conversation_answer:
+  record: kevin_answer (Conversation::Message)
+  name: content
+  body: "<b>David</b> is on a hot-streak. He has recently added many cards to Writebook."

test/fixtures/conversation/messages.yml

@@ -1,9 +1,14 @@
-# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+kevin_question:
+  conversation: kevin
+  role: user
+  client_message_id: djtawmq4vnp9f8es
+  model_id: "gpt-4.1-2025-04-14"
+  input_tokens: 3765
+  output_tokens: 331
+  input_cost_microcents: 753
+  output_cost_microcents: 300
 
-one:
-  conversation: one
-  role: MyString
-
-two:
-  conversation: two
-  role: MyString
+kevin_answer:
+  conversation: kevin
+  role: assistant
+  client_message_id: rhwno26j4o

test/fixtures/conversations.yml

@@ -1,7 +1,3 @@
-# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
-
-one:
-  user: one
-
-two:
-  user: two
+kevin:
+  user: kevin
+  state: ready