tools: custom eslint autofix for inspector-check.js

1. Adds fixer method
2. Extends test

PR-URL: https://github.com/nodejs/node/pull/16646
Refs: https://github.com/nodejs/node/issues/16636


Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>