test: stream readable resumeScheduled state

PR-URL: https://github.com/nodejs/node/pull/10299
Ref: https://github.com/nodejs/node/issues/8683


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>