fix(array/base/fancy-slice): align test expectations with AccessorArray and typed array return types

[SuYaSh-PaThAk04]

Resolves #8294 .

Description

What is the purpose of this pull request?

This pull request:

• fixes test failures in the @stdlib/array/base/fancy-slice module caused by recent updates introducing AccessorArray and consistent typed array outputs.

Specifically, it:

• Updates test cases to expect AccessorArray and Float64Array outputs instead of plain JavaScript arrays ([]).
• Ensures type and equality checks in tests correctly account for accessor-based arrays.
• Aligns the behavior of empty slices and out-of-bounds slices with the updated implementation.

Related Issues

Does this pull request have any related issues?

This pull request has the following related issues:

• Fix JavaScript lint errors #8294

Questions

Any questions for reviewers of this pull request?

No.

Other

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Checklist

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

• Read, understood, and followed the contributing guidelines.

AI Assistance

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• Yes
• No

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

Disclosure

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Coverage Report

Package	Statements	Branches	Functions	Lines
utils/async/parallel	$\color{green}486/486$ $color{green}+100.00%$	$\color{green}44/44$ $color{green}+100.00%$	$\color{green}9/9$ $color{green}+100.00%$	$\color{green}486/486$ $color{green}+100.00%$
utils/async/while	$\color{green}185/185$ $color{green}+100.00%$	$\color{green}22/22$ $color{green}+100.00%$	$\color{green}3/3$ $color{green}+100.00%$	$\color{green}185/185$ $color{green}+100.00%$

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