test: clearing require cache crashes esm loader

This test shows the regression introduced in v11.4.0: clearing out the
require.cache crashes node when using the `--experimental-modules` flag.
Refs: https://github.com/nodejs/node/issues/25482

PR-URL: https://github.com/nodejs/node/pull/25491


Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>