def METHOD_NAME(self):
    self.generate_fixture_asset_types()
    self.generate_fixture_asset_character()
    assets_service.add_asset_link(self.asset.id, self.asset_character.id)
    assets_service.remove_asset_link(
        self.asset.id, self.asset_character.id
    )
    asset = assets_service.get_asset_with_relations(self.asset.id)
    self.assertEqual(len(asset["entities_out"]), 0)