code: def test_init_no_key(self, monkeypatch):
      monkeypatch.delenv("OPENAI_API_KEY", raising=False)
      with pytest.raises(OpenAIError):
          RemoteWhisperTranscriber(api_key=None)
  
file_path: haystack/test/components/audio/test_whisper_remote.py
imports: import os
  import pytest
  from openai import OpenAIError
  from haystack.components.audio.whisper_remote import RemoteWhisperTranscriber
  from haystack.dataclasses import ByteStream
label_desc: Use image node_id 1 for calling the TestRemoteWhisperTranscriber obj's underlying member method code with example usage: obj.test_init_no_key(monkeypatch) without return types