code: def test_get_start_and_end_of_speech_frames_not_frames_found(self):
      is_speech = np.array([False, True, True, False])
      speech_frame_threshold = 3
  
      start_frame, end_frame = get_start_and_end_of_speech_frames(
          is_speech=is_speech,
          speech_frame_threshold=speech_frame_threshold,
          audio_id="test",
      )
  
      assert start_frame == 0
      assert end_frame == 0
  
imports: import numpy
  import pytest
  from nemo.collections.tts.parts.preprocessing.audio_trimming import get_start_and_end_of_speech_frames, pad_sample_indices
label_desc: Use image node_id 2 for calling the TestAudioTrimming obj's underlying member method code with example usage: obj.test_get_start_and_end_of_speech_frames_not_frames_found() without return types