test: add some test cases for validateOffsetLengthWrite

PR-URL: https://github.com/nodejs/node/pull/21195


Reviewed-By: Ujjwal Sharma <usharma1998@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Weijia Wang <starkwang@126.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anatoli Papirovski <apapirovski@mac.com>