code: def test_chat_prompt_processor():
      processor = ChatPromptProcessor(tokenizer, CONTEXT, 256)
      for history, max_new_tokens, result in samples:
          prompt = processor.preprocess_prompt(history, max_new_tokens)
          assert prompt == result
  
label_desc: Use image node_id 1 for calling a global function with example usage: test_chat_prompt_processor() without return types