code: def test_star_must_be_alone(self):
      self._downgrade_fixture()
      User = self.classes.User
  
      with expect_raises_message(
          sa.exc.ArgumentError,
          "Wildcard token cannot be followed by another entity",
      ):
          subqueryload("*", User.addresses)
  
imports: import sqlalchemy
  from sqlalchemy import testing
  from sqlalchemy import util
  from sqlalchemy.orm import defaultload
  from sqlalchemy.orm import joinedload
  from sqlalchemy.orm import relationship
  from sqlalchemy.orm import subqueryload
  from sqlalchemy.testing import eq_
  from sqlalchemy.testing.assertions import expect_raises_message
  from sqlalchemy.testing.fixtures import fixture_session
  from test.orm import _fixtures
label_desc: Use image node_id 8 for calling the DefaultStrategyOptionsTest obj's underlying member method code with example usage: obj.test_star_must_be_alone() without return types