docstr: Test check selection from vertica into memory and
  after that inserting into mysql
code: def test_select_insert_transfer(self, *args):
      """
      Test check selection from vertica into memory and
      after that inserting into mysql
      """
      task = VerticaToHiveOperator(
          task_id="test_task_id",
          sql="select a, b, c",
          hive_table="test_table",
          vertica_conn_id="test_vertica_conn_id",
          hive_cli_conn_id="hive_cli_default",
          dag=self.dag,
      )
      task.execute(None)
  
file_path: airflow/tests/providers/apache/hive/transfers/test_vertica_to_hive.py
imports: from __future__ import annotations
  import datetime
  from unittest import mock
  import pytest
  from airflow.models.dag import DAG
  from airflow.providers.apache.hive.transfers.vertica_to_hive import VerticaToHiveOperator
label_desc: Use image node_id 2 for calling the TestVerticaToHiveTransfer obj's underlying member method code with example usage: obj.test_select_insert_transfer() without return types