In a continuing effort to de-monolithize `require('../common')`,
move `common.ArrayStream` out to a separate module that is
imported only when it is needed.

PR-URL: https://github.com/nodejs/node/pull/22447
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Revise test so that it does not depend on behavior specific to V8.

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>

PR-URL: https://github.com/nodejs/node/pull/16036
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

Updating tests to use `common.fixturesDir` whenever possible/reasonable.
Left out things like tests for `path` and `require.resolve`.

PR-URL: https://github.com/nodejs/node/pull/6997
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Remove all remaining unused variables from tests in test/parallel.

PR-URL: https://github.com/nodejs/node/pull/4511
Reviewed-By: James M Snell<jasnell@gmail.com>
Reviewed-By: Johan Bergström <bugs@bergstroem.nu>

A number of tests in `test/parallel` were importing the `util` module
via `require()` but not using `util` for anything. This removes those
`require()` statements.

PR-URL: https://github.com/nodejs/node/pull/4397
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Rod Vagg <rod@vagg.org>

A number of REPL tests define the same ArrayStream object. This
commit moves the repeated code into common.js.

PR-URL: https://github.com/nodejs/node/pull/4027
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>

Currently, when a file with a syntax error is imported in the
REPL, no information is provided on the error's location. This
commit adds the error's location to the stack trace.

Refs: https://github.com/nodejs/node/issues/2762
Refs: https://github.com/nodejs/node/issues/3411
Refs: https://github.com/nodejs/node/issues/3784
PR-URL: https://github.com/nodejs/node/pull/4013
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>