code: def test_cluster_info(self, get_cluster_mock, use_internal_ip):
      get_cluster_mock.return_value = mock.MagicMock(
          **{
              "endpoint": "test-host",
              "private_cluster_config.private_endpoint": "test-private-host",
              "master_auth.cluster_ca_certificate": SSL_CA_CERT,
          }
      )
      gke_op = GKEStartPodOperator(
          project_id=TEST_GCP_PROJECT_ID,
          location=PROJECT_LOCATION,
          cluster_name=CLUSTER_NAME,
          task_id=PROJECT_TASK_ID,
          name=TASK_NAME,
          namespace=NAMESPACE,
          image=IMAGE,
          use_internal_ip=use_internal_ip,
      )
      cluster_url, ssl_ca_cert = gke_op.fetch_cluster_info()
  
      assert (
          cluster_url == CLUSTER_PRIVATE_URL
          if use_internal_ip
          else CLUSTER_URL
      )
      assert ssl_ca_cert == SSL_CA_CERT
  
imports: from __future__ import annotations
  import json
  import os
  from unittest import mock
  import pytest
  from airflow.exceptions import AirflowException, TaskDeferred
  from airflow.models import Connection
  from airflow.providers.cncf.kubernetes.operators.pod import KubernetesPodOperator
  from airflow.providers.cncf.kubernetes.utils.pod_manager import OnFinishAction
  from airflow.providers.google.cloud.operators.kubernetes_engine import GKECreateClusterOperator, GKEDeleteClusterOperator, GKEStartPodOperator
  from airflow.providers.google.cloud.triggers.kubernetes_engine import GKEStartPodTrigger
label_desc: Use image node_id 7 for calling the TestGKEPodOperator obj's underlying member method code with example usage: obj.test_cluster_info(get_cluster_mock, use_internal_ip) without return types