code: def __init__(self, completion: str):
      self.completion = completion
  
file_path: evals/evals/utils/test.py
imports: from typing import Union
  from evals.api import CompletionFn, CompletionResult
  from evals.prompt.base import OpenAICreateChatPrompt, OpenAICreatePrompt, Prompt
label_desc: Use image node_id 1 to create a new TestCompletionFn object from inherited base classes: CompletionFn with example: obj = TestCompletionFn(completion)