chore: fix JavaScript lint errors (issue #8282)

[Payal-Goswami]

Resolves #8282 .

Description

• Fix doctest mismatch (expected false instead of true).

Related Issues

This pull request has the following related issues:

• Fix JavaScript lint errors #8282

Questions

No.

Other

No.

Checklist

Please ensure the following tasks are completed before submitting this pull request.

• Read, understood, and followed the contributing guidelines.

AI Assistance

When authoring the changes proposed in this PR, did you use any kind of AI assistance?

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• No

If you answered "yes" above, how did you use AI assistance?

• Code generation (e.g., when writing an implementation or fixing a bug)
• Test/benchmark generation
• Documentation (including examples)
• Research and understanding

Disclosure

If you answered "yes" to using AI assistance, please provide a short disclosure indicating how you used AI assistance. This helps reviewers determine how much scrutiny to apply when reviewing your contribution. Example disclosures: "This PR was written primarily by Claude Code." or "I consulted ChatGPT to understand the codebase, but the proposed changes were fully authored manually by myself.".

{{TODO: add disclosure if applicable}}

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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
fs/read-file	$\color{green}181/181$ $color{green}+100.00%$	$\color{green}10/10$ $color{green}+100.00%$	$\color{green}2/2$ $color{green}+100.00%$	$\color{green}181/181$ $color{green}+100.00%$

The above coverage report was generated for the changes in this PR.