fix: correctly close ws connection in web3-eth-contract integration tests

[krzysu]

Description

Correctly close ws connection in web3-eth-contract integration tests

Fixes #7231

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)

Checklist:

• [x] I have selected the correct base branch.
• [x] I have performed a self-review of my own code.
• [ ] I have commented my code, particularly in hard-to-understand areas.
• [ ] I have made corresponding changes to the documentation.
• [x] My changes generate no new warnings.
• [ ] Any dependent changes have been merged and published in downstream modules.
• [ ] I ran npm run lint with success and extended the tests and types if necessary.
• [ ] I ran npm run test:unit with success.
• [ ] I ran npm run test:coverage and my test cases cover all the lines and branches of the added code.
• [ ] I ran npm run build and tested dist/web3.min.js in a browser.
• [ ] I have tested my code on the live network.
• [ ] I have checked the Deploy Preview and it looks correct.
• [ ] I have updated the CHANGELOG.md file in the root folder.
• [ ] I have linked Issue(s) with this PR in "Linked Issues" menu.

[github-actions[bot]]

Bundle Stats

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As this PR is updated, I'll keep you updated on how the bundle size is impacted.

Total

Files count	Total bundle size	% Changed
10	649.88 kB	0%

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No files were changed

View detailed bundle breakdown

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Removed

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Bigger

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Smaller

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Unchanged

Asset	File Size	% Changed
web3.min.js	630.33 kB	0%
../lib/commonjs/index.d.ts	8.72 kB	0%
../lib/commonjs/accounts.d.ts	3.93 kB	0%
../lib/commonjs/types.d.ts	2.67 kB	0%
../lib/commonjs/web3.d.ts	1.38 kB	0%
../lib/commonjs/web3_eip6963.d.ts	1.28 kB	0%
../lib/commonjs/abi.d.ts	1.06 kB	0%
../lib/commonjs/eth.exports.d.ts	280 B	0%
../lib/commonjs/providers.exports.d.ts	183 B	0%
../lib/commonjs/version.d.ts	60 B	0%

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.51%. Comparing base (07993c2) to head (1450b8b). Report is 2 commits behind head on 4.x.

Additional details and impacted files

@@           Coverage Diff           @@
##              4.x    #7338   +/-   ##
=======================================
  Coverage   94.51%   94.51%           
=======================================
  Files         218      218           
  Lines        8557     8557           
  Branches     2363     2363           
=======================================
  Hits         8088     8088           
  Misses        469      469           

Flag	Coverage Δ
UnitTests	94.51% <ø> (ø)

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[krzysu]

With the upgraded version of Geth, some new errors have started to appear. For example, see: this build https://github.com/web3/web3.js/actions/runs/11702836716/job/32591923473 So I had to revert the geth version to the currently used one in the tests.

[jdevcs]

With the upgraded version of Geth, some new errors have started to appear. For example, see: this build https://github.com/web3/web3.js/actions/runs/11702836716/job/32591923473 So I had to revert the geth version to the currently used one in the tests.

pls see this in detail and open issue in geth,

[jdevcs]

PR looks good to me