history.add(LlmMessage.user("Previous question"));
        final LlmChatRequest request = client.testBuildIntentRequest("Follow-up", history);
        final List<LlmMessage> messages = request.getMessages();
        // system + 1 history + user = 3 messages
        assertEquals(3, messages.size());
        assertEquals("Previous question", messages.get(1).getContent());