test: rename test filename

[targeral]

Summary

🤖 Generated by Copilot at 296869b

Updated and renamed integration tests for input filter feature of modern.js. The tests check that the module bundler correctly excludes files that match the input filter glob pattern.

Details

🤖 Generated by Copilot at 296869b

• Change input filter for first build configuration to exclude *.a.ts files (link)
• Rename index.spec.ts to index.a.ts in input filter fixture (link)
• Update test cases for both build configurations to check output directory and input filter (link, link)

Related Issue

Checklist

• I have added changeset via pnpm run change.
• I have updated the documentation.
• I have added tests to cover my changes.

[changeset-bot]

⚠️ No Changeset found

Latest commit: 7ed6d47

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[codecov]

Codecov Report

Patch coverage has no change and project coverage change: -6.59% ⚠️

Comparison is base (99693f0) 57.59% compared to head (7ed6d47) 51.01%.
Report is 866 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4316      +/-   ##
==========================================
- Coverage   57.59%   51.01%   -6.59%     
==========================================
  Files         672      662      -10     
  Lines       17794    18078     +284     
  Branches     3876     3955      +79     
==========================================
- Hits        10249     9222    -1027     
- Misses       6934     8133    +1199     
- Partials      611      723     +112     

see 403 files with indirect coverage changes

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