code: def _get_task_instance(
      self, state, end_date=None, retry_delay=timedelta(minutes=15)
  ):
      task = Mock(
          retry_delay=retry_delay, retry_exponential_backoff=False
      )
      ti = TaskInstance(task=task, state=state, execution_date=None)
      ti.end_date = end_date
      return ti
  
file_path: airflow/tests/ti_deps/deps/test_not_in_retry_period_dep.py
imports: from __future__ import annotations
  from datetime import timedelta
  from unittest.mock import Mock
  import pytest
  import time_machine
  from airflow.models import TaskInstance
  from airflow.ti_deps.deps.not_in_retry_period_dep import NotInRetryPeriodDep
  from airflow.utils.state import State
  from airflow.utils.timezone import datetime
label_desc: Use image node_id 1 for calling the TestNotInRetryPeriodDep obj's underlying member method code with example usage: obj._get_task_instance(state, end_date, retry_delay) and returns: ti