docstr: Test AzureServiceBusTopicDeleteOperator by mocking topic name, connection
code: def test_delete_topic_not_exists(self, mock_get_conn):
      """
      Test AzureServiceBusTopicDeleteOperator by mocking topic name, connection
      """
      asb_delete_topic_not_exists = AzureServiceBusTopicDeleteOperator(
          task_id="asb_delete_topic_not_exists",
          topic_name=TOPIC_NAME,
      )
      mock_get_conn.return_value.__enter__.return_value.get_topic.return_value = (
          None
      )
      with mock.patch.object(
          asb_delete_topic_not_exists.log, "info"
      ) as mock_log_info:
          asb_delete_topic_not_exists.execute(None)
      mock_log_info.assert_called_with(
          "Topic %s does not exist.", TOPIC_NAME
      )
  
imports: from __future__ import annotations
  from unittest import mock
  import pytest
  from airflow.providers.microsoft.azure.operators.asb import ASBReceiveSubscriptionMessageOperator, AzureServiceBusCreateQueueOperator, AzureServiceBusDeleteQueueOperator, AzureServiceBusReceiveMessageOperator, AzureServiceBusSendMessageOperator, AzureServiceBusSubscriptionCreateOperator, AzureServiceBusSubscriptionDeleteOperator, AzureServiceBusTopicCreateOperator, AzureServiceBusTopicDeleteOperator, AzureServiceBusUpdateSubscriptionOperator
label_desc: Use image node_id 3 for calling the TestASBTopicDeleteOperator obj's underlying member method code with example usage: obj.test_delete_topic_not_exists(mock_get_conn) without return types