code: def test_label_detection(self, annotator_client_mock):
      # Given
      label_detection_method = annotator_client_mock.label_detection
      label_detection_method.return_value = AnnotateImageResponse(
          label_annotations=[
              EntityAnnotation(description="test", score=0.5)
          ]
      )
  
      # When
      self.hook.label_detection(image=DETECT_TEST_IMAGE)
  
      # Then
      label_detection_method.assert_called_once_with(
          image=DETECT_TEST_IMAGE,
          max_results=None,
          retry=DEFAULT,
          timeout=None,
      )
  
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from google.api_core.gapic_v1.method import DEFAULT
  from google.cloud.vision_v1 import AnnotateImageRequest, AnnotateImageResponse, EntityAnnotation, Feature, Product, ProductSearchClient, ProductSet, ReferenceImage, SafeSearchAnnotation
  from google.protobuf.json_format import MessageToDict
  from airflow.exceptions import AirflowException
  from airflow.providers.google.cloud.hooks.vision import ERR_DIFF_NAMES, ERR_UNABLE_TO_CREATE, CloudVisionHook
  from airflow.providers.google.common.consts import CLIENT_INFO
  from tests.providers.google.cloud.utils.base_gcp_mock import mock_base_gcp_hook_default_project_id
label_desc: Use image node_id 34 for calling the TestGcpVisionHook obj's underlying member method code with example usage: obj.test_label_detection(annotator_client_mock) without return types