code: def test_convert_type(self, value, schema_type, expected):
      op = MySQLToGCSOperator(
          task_id=TASK_ID,
          mysql_conn_id=MYSQL_CONN_ID,
          sql=SQL,
          bucket=BUCKET,
          filename=JSON_FILENAME,
      )
      assert op.convert_type(value, schema_type) == expected
  
file_path: airflow/tests/providers/google/cloud/transfers/test_mysql_to_gcs.py
imports: from __future__ import annotations
  import datetime
  import decimal
  from unittest import mock
  import pytest
label_desc: Use image node_id 2 for calling the TestMySqlToGoogleCloudStorageOperator obj's underlying member method code with example usage: obj.test_convert_type(value, schema_type, expected) without return types