test: improve perf

[alexander-akait]

Summary

Add more test - smoketests and coverage

What kind of change does this PR introduce?

test

Did you add tests for your changes?

Yes

Does this PR introduce a breaking change?

No

If relevant, what needs to be documented once your changes are merged or what have you already documented?

Nothing

Use of AI

No

[changeset-bot]

⚠️ No Changeset found

Latest commit: 08c8723

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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[codecov]

Codecov Report

❌ Patch coverage is 80.68182% with 17 lines in your changes missing coverage. Please review.
✅ Project coverage is 91.44%. Comparing base (4b6f0e1) to head (08c8723).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
...ges/create-webpack-app/src/utils/generate-files.ts	0.00%	13 Missing ⚠️
packages/webpack-cli/src/webpack-cli.ts	94.66%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4697      +/-   ##
==========================================
+ Coverage   84.90%   91.44%   +6.54%     
==========================================
  Files          15       14       -1     
  Lines        4789     4710      -79     
  Branches      626      678      +52     
==========================================
+ Hits         4066     4307     +241     
+ Misses        721      401     -320     
  Partials        2        2              

Files with missing lines	Coverage Δ
packages/webpack-cli/src/webpack-cli.ts	96.08% <94.66%> (+7.99%)	⬆️
...ges/create-webpack-app/src/utils/generate-files.ts	57.97% <0.00%> (+13.48%)	⬆️

... and 2 files with indirect coverage changes

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