class_docstr: emotion task test
class_docstr_tok: ["emotion","task","test"]
docstr: test generate feature
docstr_tok: ["test","generate","feature"]
code: def test_generate_feat(self):
      """test generate feature"""
      self.config["data"]["task"]["suffix"] = ".wav"
      paths = []
      for mode in [utils.TRAIN, utils.EVAL, utils.INFER]:
          paths += self.config["data"][mode]["paths"]
  
      task = self.task_class(self.config, utils.INFER)
      task.generate_feat(paths, dry_run=False)
  
file_path: delta/delta/data/task/speech_cls_task_test.py
imports: import os
  import shutil
  import tempfile
  from pathlib import Path
  import numpy
  import delta.compat
  from absl import logging
  from delta import utils
  from delta.utils.register import registers
  from delta.utils.register import import_all_modules_for_register
  from delta import PACKAGE_ROOT_DIR
label_desc: Use image node_id 3 for calling the SpeechClsTaskTest obj's underlying member method code with example usage: obj.test_generate_feat() without return types