code: def _fixture(self):
      User = self.classes.User
  
      s = fixture_session()
      u1, u2, u3, u4 = (
          User(id=1, name="u1"),
          User(id=2, name="u2"),
          User(id=7, name="u3"),
          User(id=8, name="u4"),
      )
      s.query(User).filter(User.id.in_([7, 8])).all()
      s.close()
      return s, [u1, u2, u3, u4]
  
imports: from sqlalchemy import delete
  from sqlalchemy import exc
  from sqlalchemy import insert
  from sqlalchemy import literal
  from sqlalchemy import literal_column
  from sqlalchemy import select
  from sqlalchemy import testing
  from sqlalchemy import text
  from sqlalchemy import update
  from sqlalchemy.orm import loading
  from sqlalchemy.orm import relationship
  from sqlalchemy.testing import is_true
  from sqlalchemy.testing import mock
  from sqlalchemy.testing.assertions import assert_raises
  from sqlalchemy.testing.assertions import assert_raises_message
  from sqlalchemy.testing.assertions import eq_
  from sqlalchemy.testing.assertions import expect_raises_message
  from sqlalchemy.testing.fixtures import fixture_session
  from .None import _fixtures
label_desc: Use image node_id 2 for calling the MergeResultTest obj's underlying member method code with example usage: obj._fixture() and returns: s,  list