test: make test-repl engine agnostic

Remove reliance on V8-specific error messages in test-repl. Test should
pass whether V8 is the engine, or V8 changes error message strings, or
ChakraCore is the engine, or some other valid JavaScript engine is used
in the future.

PR-URL: https://github.com/nodejs/node/pull/16272


Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Yuta Hiroto <hello@about-hiroppy.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>