docstr: Test adding breadcrumbs.
docstr_tok: ["Test","adding","breadcrumbs","."]
code: def test_add_breadcrumbs(self, sentry, task_instance):
      """
      Test adding breadcrumbs.
      """
      sentry.add_tagging(task_instance=task_instance)
      sentry.add_breadcrumbs(task_instance=task_instance)
  
      with configure_scope() as scope:
          test_crumb = scope._breadcrumbs.pop()
          assert CRUMB == test_crumb
  
imports: from __future__ import annotations
  import datetime
  import importlib
  from unittest import mock
  import pytest
  import time_machine
  from sentry_sdk import configure_scope
  from sentry_sdk.transport import Transport
  from airflow.operators.python import PythonOperator
  from airflow.utils import timezone
  from airflow.utils.module_loading import import_string
  from airflow.utils.state import State
  from tests.test_utils.config import conf_vars
label_desc: Use image node_id 7 for calling the TestSentryHook obj's underlying member method code with example usage: obj.test_add_breadcrumbs(sentry, task_instance) without return types