code: def test_init_fail_wo_api_key(self, monkeypatch):
      monkeypatch.delenv("OPENAI_API_KEY", raising=False)
      with pytest.raises(OpenAIError):
          OpenAITextEmbedder()
  
file_path: haystack/test/components/embedders/test_openai_text_embedder.py
imports: import os
  import pytest
  from openai import OpenAIError
  from haystack.components.embedders.openai_text_embedder import OpenAITextEmbedder
label_desc: Use image node_id 3 for calling the TestOpenAITextEmbedder obj's underlying member method code with example usage: obj.test_init_fail_wo_api_key(monkeypatch) without return types