[issue41919] Move the codecs' register operation to testcases

Change by hai shi : -- keywords: +patch pull_requests: +21522 stage: -> patch review pull_request: https://github.com/python/cpython/pull/22513 ___ Python tracker ___

[issue41919] Move the codecs' register operation to testcases

New submission from hai shi : After PR22360 merged, we can move the codecs' register operation to testcases. -- components: Tests messages: 377863 nosy: shihai1991, vstinner priority: normal severity: normal status: open title: Move the codecs' register operation to testcases type: