code: def test_execute(self, mock_hook):
      mock_instance = mock_hook.return_value
      operator = LocalFilesystemToGCSOperator(
          task_id="gcs_to_file_sensor",
          dag=self.dag,
          src=self.testfile1,
          dst="test/test1.csv",
          **self._config,
      )
      operator.execute(None)
      mock_instance.upload.assert_called_once_with(
          bucket_name=self._config["bucket"],
          filename=self.testfile1,
          gzip=self._config["gzip"],
          mime_type=self._config["mime_type"],
          object_name="test/test1.csv",
      )
  
file_path: airflow/tests/providers/google/cloud/transfers/test_local_to_gcs.py
imports: from __future__ import annotations
  import datetime
  import os
  from glob import glob
  from unittest import mock
  import pytest
  from airflow.models.dag import DAG
  from airflow.providers.google.cloud.transfers.local_to_gcs import LocalFilesystemToGCSOperator
label_desc: Use image node_id 4 for calling the TestFileToGcsOperator obj's underlying member method code with example usage: obj.test_execute(mock_hook) without return types