test: test vm.runInNewContext() filename option

The 'filename as a string' case was already being tested. This commit
also exercises the 'filename as an option' case.

PR-URL: https://github.com/nodejs/node/pull/27056


Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Beth Griggs <Bethany.Griggs@uk.ibm.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Gus Caplan <me@gus.host>