code: def test_execute(self, mock_hook):
      mock_instance = mock_hook.return_value
      operator = WasbDeleteBlobOperator(
          task_id="wasb_operator",
          dag=self.dag,
          is_prefix=True,
          ignore_if_missing=True,
          **self._config,
      )
      operator.execute(None)
      mock_instance.delete_file.assert_called_once_with(
          "container", "blob", True, True
      )
  
file_path: airflow/tests/providers/microsoft/azure/operators/test_wasb_delete_blob.py
imports: from __future__ import annotations
  import datetime
  from unittest import mock
  from airflow.models.dag import DAG
  from airflow.providers.microsoft.azure.operators.wasb_delete_blob import WasbDeleteBlobOperator
label_desc: Use image node_id 3 for calling the TestWasbDeleteBlobOperator obj's underlying member method code with example usage: obj.test_execute(mock_hook) without return types