code: def setup_method(self):
      with mock.patch(
          "airflow.providers.google.common.hooks.base_google.GoogleBaseHook.__init__",
          new=mock_base_gcp_hook_default_project_id,
      ):
          self.spanner_hook_default_project_id = SpannerHook(
              gcp_conn_id="test"
          )
  
imports: from __future__ import annotations
  from unittest import mock
  from unittest.mock import MagicMock, PropertyMock
  import pytest
  import sqlalchemy
  from airflow.providers.google.cloud.hooks.spanner import SpannerHook
  from airflow.providers.google.common.consts import CLIENT_INFO
  from tests.providers.google.cloud.utils.base_gcp_mock import GCP_PROJECT_ID_HOOK_UNIT_TEST, mock_base_gcp_hook_default_project_id, mock_base_gcp_hook_no_default_project_id
label_desc: Use image node_id 2 for calling the TestGcpSpannerHookDefaultProjectId obj's underlying member method code with example usage: obj.setup_method() without return types