test: add missing tests to ndarray/base/every

[headlessNode]

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Progresses #2656.

Description

What is the purpose of this pull request?

This pull request:

• add tests for 100% code coverage.

Related Issues

Does this pull request have any related issues?

This pull request:

• progresses [RFC]: achieve ndarray API parity with built-in JavaScript arrays  #2656.

Questions

Any questions for reviewers of this pull request?

No.

Other

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No.

Checklist

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

• Read, understood, and followed the contributing guidelines.

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[stdlib-bot]

Coverage Report

Package	Statements	Branches	Functions	Lines
ndarray/base/every	$\color{red}12000/12006$ $\color{green}+99.95\%$	$\color{red}1464/1468$ $\color{green}+99.73\%$	$\color{green}64/64$ $\color{green}+100.00\%$	$\color{red}12000/12006$ $\color{green}+99.95\%$

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

[headlessNode]

Headsup, working on 100% coverage for accessors.

[kgryte]

Apart from the two instances where strides are not in column-major order, these tests are looking good.

[headlessNode]

Heads up! It appears strides for non-contiguous cases without large arrays maybe incorrect.

[headlessNode]

@kgryte ready for review.

[kgryte]

LGTM. Thanks for adding these, @headlessNode!