code: def test_calling_embed_in_live_stream_mode(self):
      options = _ImageEmbedderOptions(
          base_options=_BaseOptions(model_asset_path=self.model_path),
          running_mode=_RUNNING_MODE.LIVE_STREAM,
          result_callback=mock.MagicMock(),
      )
      with _ImageEmbedder.create_from_options(options) as embedder:
          with self.assertRaisesRegex(
              ValueError, r"not initialized with the image mode"
          ):
              embedder.embed(self.test_image)
  
imports: import enum
  import os
  from unittest import mock
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from mediapipe.python._framework_bindings import image
  from mediapipe.tasks.python.components.containers import embedding_result
  from mediapipe.tasks.python.components.containers import rect
  from mediapipe.tasks.python.core import base_options
  from mediapipe.tasks.python.test import test_utils
  from mediapipe.tasks.python.vision import image_embedder
  from mediapipe.tasks.python.vision.core import image_processing_options
  from mediapipe.tasks.python.vision.core import vision_task_running_mode
label_desc: Use image node_id 20 for calling the ImageEmbedderTest obj's underlying member method code with example usage: obj.test_calling_embed_in_live_stream_mode() without return types