code: def example_train_sample(self):
      return {
          DataKeys.INPUT: np.random.randn(86631),
          DataKeys.TARGET: "some target text",
          DataKeys.METADATA: {"sampling_rate": 16000},
      }
  
file_path: lightning-flash/tests/audio/speech_recognition/test_model.py
imports: from typing import Any
  from unittest.mock import patch
  import numpy
  import pytest
  import torch
  from flash.audio import SpeechRecognition
  from flash.core.data.io.input import DataKeys
  from flash.core.utilities.imports import _TOPIC_AUDIO_AVAILABLE, _TOPIC_SERVE_AVAILABLE
  from torch import Tensor
  from tests.helpers.task_tester import TaskTester
label_desc: Use image node_id 3 for calling the TestSpeechRecognition obj's underlying member method code with example usage: obj.example_train_sample() and returns: dict