code: def test_check_for_prefix(self, get_blobs_list):
      hook = WasbHook(wasb_conn_id=self.azure_shared_key_test)
      assert hook.check_for_prefix("container", "prefix", timeout=3)
      get_blobs_list.assert_called_once_with(
          container_name="container", prefix="prefix", timeout=3
      )
  
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from azure.core.exceptions import ResourceNotFoundError
  from azure.storage.blob import BlobServiceClient
  from azure.storage.blob._models import BlobProperties
  from airflow.exceptions import AirflowException
  from airflow.models import Connection
  from airflow.providers.microsoft.azure.hooks.wasb import WasbHook
label_desc: Use image node_id 17 for calling the TestWasbHook obj's underlying member method code with example usage: obj.test_check_for_prefix(get_blobs_list) without return types