test: add stdin-setrawmode.out file

Adds an accompanying .out file for test/pseudo-tty/stdin-setrawmode.js.
The test was originally merged without this file and an astute
observer found that it was causing an error message. See discussion
at #10037.

PR-URL: #10149
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Italo A. Casas <me@italoacasas.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>