test: add test for URLSearchParams inspection

The member methods of URLSearchParams should split across multiple
lines with `util.inspect` depending on an option `breakLength`.

PR-URL: https://github.com/nodejs/node/pull/11428


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>