def METHOD_NAME(self):
    # When a submission lock has become inactive (older than TIMEOUT), it can be claimed by a new user
    new_lock = SubmissionGradingLock.claim_submission_lock(
        self.expired_locked_submission_uuid,
        self.other_user_id
    )
    assert new_lock is not None
    assert SubmissionGradingLock.get_submission_lock(self.expired_locked_submission_uuid) == new_lock