test: make module test pass with NODE_PENDING_DEPRECATION

Some people set the `NODE_PENDING_DEPRECATION` environment variable
globally. This makes the test added in 115f0f5a
pass when that is the case.

Refs: https://github.com/nodejs/node/pull/26823

PR-URL: https://github.com/nodejs/node/pull/27019


Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Myles Borins <myles.borins@gmail.com>