code: def test_has_guest_access__anonymous_user(self):
      g.user = security_manager.get_anonymous_user()
      has_guest_access = security_manager.has_guest_access(self.dash)
      self.assertFalse(has_guest_access)
  
imports: import json
  from unittest.mock import Mock, patch
  import pytest
  from flask import g
  from superset import db, security_manager
  from superset.connectors.sqla.models import SqlaTable
  from superset.daos.dashboard import EmbeddedDashboardDAO
  from superset.exceptions import SupersetSecurityException
  from superset.models.dashboard import Dashboard
  from superset.security.guest_token import GuestTokenResourceType
  from superset.sql_parse import Table
  from superset.utils.core import get_example_default_schema
  from superset.utils.database import get_example_database
  from tests.integration_tests.base_tests import SupersetTestCase
  from tests.integration_tests.fixtures.birth_names_dashboard import load_birth_names_dashboard_with_slices_class_scope, load_birth_names_data
  from tests.integration_tests.fixtures.world_bank_dashboard import load_world_bank_dashboard_with_slices, load_world_bank_dashboard_with_slices_class_scope, load_world_bank_data
label_desc: Use image node_id 3 for calling the TestGuestUserDashboardAccess obj's underlying member method code with example usage: obj.test_has_guest_access__anonymous_user() without return types