code: def exasol_hook():
      return ExasolHook()
  
file_path: airflow/tests/providers/exasol/hooks/test_sql.py
imports: from __future__ import annotations
  from typing import Any
  from unittest import mock
  from unittest.mock import MagicMock, patch
  import pytest
  from airflow.models import Connection
  from airflow.providers.common.sql.hooks.sql import fetch_all_handler
  from airflow.providers.exasol.hooks.exasol import ExasolHook
  from airflow.utils.session import provide_session
label_desc: Use image node_id 2 for calling a global function with example usage: exasol_hook() and returns: ExasolHook