test: adding tests to achieve 100% coverage for blas/ext/base/dnansumkbn

[Neerajpathak07]

Resolves #3046

Description

This pull request:

• Adds test case for every file to achieve 100% test coverage for blas/ext/base/dnansumkbn

Related Issues

Does this pull request have any related issues?

This pull request:

• resolves Incomplete code coverage for blas/ext/base/dnansumkbn #3046

Questions

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No.

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Checklist

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• Read, understood, and followed the contributing guidelines

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@stdlib-js/reviewers

[Planeshifter]

Please run the tests locally before opening a PR to ensure they work pass and everything works as expected. In this case, will need to remove opts argument from the non-native test files and also fix the arguments passed to the .ndarray methods.

[Neerajpathak07]

@Planeshifter Ok I'll run those tests locally while testing and implement the necessary changes.

[Planeshifter]

@Neerajpathak07 Closing this one in favor of #3051, as that PR can be merged as-is. Thanks either way for your efforts, which are appreciated!