test: check the origin of the blob URLs

In the getter of the origin in URL, the URL that has blob protocol
will be parsed in a function called "originFor".
Add test cases into the url-tests-additional fixture to test that.

Refs: https://github.com/w3c/web-platform-tests/pull/4941

PR-URL: https://github.com/nodejs/node/pull/11426


Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>