code: def test_empty_detection_outputs_with_in_model_nms(self):
      options = _ObjectDetectorOptions(
          base_options=_BaseOptions(model_asset_path=self.model_path),
          score_threshold=1,
      )
      with _ObjectDetector.create_from_options(options) as detector:
          # Performs object detection on the input.
          detection_result = detector.detect(self.test_image)
          self.assertEmpty(detection_result.detections)
  
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 bounding_box
  from mediapipe.tasks.python.components.containers import category
  from mediapipe.tasks.python.components.containers import detections
  from mediapipe.tasks.python.core import base_options
  from mediapipe.tasks.python.test import test_utils
  from mediapipe.tasks.python.vision import object_detector
  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 13 for calling the ObjectDetectorTest obj's underlying member method code with example usage: obj.test_empty_detection_outputs_with_in_model_nms() without return types