Capture warnings in JSON tests

[tovrstra]

This is one of a series of PRs to handle warnings properly in all unit tests. Bigger picture in #313.

I'm planning to YOLO-merge this on Thursday, June 13 unless reviewed earlier.

Summary by Sourcery

This pull request enhances the JSON-related unit tests by adding handling for FileFormatWarning to ensure that warnings are properly captured and tested.

• Tests:
  • Added handling for FileFormatWarning in multiple JSON-related unit tests to ensure warnings are properly captured and tested.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request updates the unit tests in the iodata/test/test_json.py file to properly handle warnings using pytest.warns. This ensures that any FileFormatWarning generated during the tests is captured and handled appropriately.

File-Level Changes

Files	Changes
iodata/test/test_json.py	Added pytest.warns(FileFormatWarning) context manager to multiple test functions to ensure warnings are properly captured and handled.

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[deepsource-io]

Here's the code health analysis summary for commits 4437bbf..c7deb0f. View details on DeepSource ↗.

Analysis Summary

Analyzer	Status	Summary	Link
Shell	✅ Success		View Check ↗
Python	✅ Success		View Check ↗

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[sourcery-ai]

Hey @tovrstra - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟡 Testing: 1 issue found
• 🟢 Complexity: all looks good

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[PaulWAyers]

LGTM

[tovrstra]

Thanks! merging...