history.add(LlmMessage.user("RRRRR")); // 5
        history.add(LlmMessage.assistant("SSSSS")); // 5
        history.add(LlmMessage.user("TTTTT")); // 5
        history.add(LlmMessage.assistant("UUUUU")); // 5
        final LlmChatRequest request = new LlmChatRequest();
        client.testAddHistoryWithBudget(request, history, 25);
        assertEquals(4, request.getMessages().size());