test: add more inspect subclassing tests

So far we do not test all data types for subclasses and this extends
the existing tests for WeakSet, WeakMap and BigInt64Array.

PR-URL: https://github.com/nodejs/node/pull/25192


Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>