test: refactor repl save-load tests

[dario-piotrowicz]

refactor the test/parallel/test-repl-save-load.js file by:

• making the tests in the file self-contained (instead of all of them sharing the same REPL instance and constantly calling .clear on it)
• clearly separating and commenting the various tests to make clearer what is being tested

---

Pretty much the same as #58636 🙂

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.11%. Comparing base (5584cc5) to head (e5fcd0f).
Report is 180 commits behind head on main.

Additional details and impacted files

@@ Coverage Diff @@## main #58715 +/- ##
==========================================
- Coverage 90.13% 90.11% -0.02% 
==========================================
Files 639 639 Lines 188192 188192 Branches 36916 36905 -11 ==========================================
- Hits 169633 169598 -35 - Misses 11324 11339 +15 - Partials 7235 7255 +20 

see 42 files with indirect coverage changes

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[lpinca]

using the test runner with appropriate descriptions to make clearer what is being tested

It was discussed ad ad nauseam and there is no real benefit to these refactorings. Can you please add comments instead or split the tests into multiple files?

[dario-piotrowicz]

using the test runner with appropriate descriptions to make clearer what is being tested

It was discussed ad ad nauseam and there is no real benefit to these refactorings. Can you please add comments instead or split the tests into multiple files?

The tests needed refactoring and since I was already at it I didn't see much harm in going with the test runner (which is my personal preference).

That is not the focal point of this refactoring so I will refactor this not to use the test runner not to get into already overly discussed arguments.

[dario-piotrowicz]

test runner usage removed

[dario-piotrowicz]

thanks @lpinca 🫶

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/67573/

[nodejs-github-bot]

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----------------------------------- PR info ------------------------------------
Title test: refactor repl save-load tests (#58715)
Author Dario Piotrowicz <dario.piotrowicz@gmail.com> (@dario-piotrowicz)
Branch dario-piotrowicz:dario/refactor-test-repl-save-load -> nodejs:main
Labels test, author ready, needs-ci, commit-queue-squash
Commits 2
- test: refactor repl save-load tests
- fixup! test: refactor repl save-load tests
Committers 1
- Dario Piotrowicz <dario.piotrowicz@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/58715
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
------------------------------ Generated metadata ------------------------------
PR-URL: https://github.com/nodejs/node/pull/58715
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
--------------------------------------------------------------------------------
ℹ This PR was created on Sun, 15 Jun 2025 12:55:54 GMT
✔ Approvals: 1
✔ - Luigi Pinca (@lpinca): https://github.com/nodejs/node/pull/58715#pullrequestreview-2943994619
✘ This PR needs to wait 24 more hours to land (or 0 hours if there is one more approval)
✔ Last GitHub CI successful
ℹ Last Full PR CI on 2025-06-20T17:08:02Z: https://ci.nodejs.org/job/node-test-pull-request/67573/
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https://github.com/nodejs/node/actions/runs/15795695104

[nodejs-github-bot]

Landed in 910a8af

[aduh95]

Backport is blocked on the backport of #57909