code: def test_bulk_replace(self):
      Item, Keyword = (self.classes.Item, self.classes.Keyword)
  
      k1 = Keyword(name="k1")
      k2 = Keyword(name="k2")
      k3 = Keyword(name="k3")
      i1 = Item(description="i1", keywords=[k1, k2])
      i2 = Item(description="i2", keywords=[k3])
  
      i1.keywords = [k2, k3]
      assert i1 in k3.items
      assert i2 in k3.items
      assert i1 not in k1.items
  
imports: from sqlalchemy import testing
  from sqlalchemy import text
  from sqlalchemy.orm import attributes
  from sqlalchemy.orm import backref
  from sqlalchemy.orm import relationship
  from sqlalchemy.orm import Session
  from sqlalchemy.testing import eq_
  from sqlalchemy.testing import is_
  from sqlalchemy.testing.fixtures import fixture_session
  from test.orm import _fixtures
label_desc: Use image node_id 6 for calling the M2MCollectionMoveTest obj's underlying member method code with example usage: obj.test_bulk_replace() without return types