def test_release_add_twice(self, swh_storage):
        actual_result = swh_storage.release_add([data.release])
        assert actual_result == {"release:add": 1}

        assert list(swh_storage.journal_writer.journal.objects) == [
            ("release", Release.from_dict(data.release))
        ]

        actual_result = swh_storage.release_add(
            [data.release, data.release2, data.release, data.release2])
        assert actual_result == {"release:add": 1}

        assert list(swh_storage.journal_writer.journal.objects) == [
            ("release", Release.from_dict(data.release)),
            ("release", Release.from_dict(data.release2)),
        ]