update gas estimation test

[luu-alex]

Description

#6234
Wasn't able to reproduce gas estimation error, but was able to fix another issue with serializing bigInt.

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Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• I have selected the correct base branch.
• 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.
• 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.
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[github-actions]

Bundle Stats

Hey there, this message comes from a GitHub action that helps you and reviewers to understand how these changes affect the size of this project's bundle.

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Total

Files count	Total bundle size	% Changed
10	630.38 kB	0%

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Unchanged

Asset	File Size	% Changed
web3.min.js	611.09 kB	0%
../lib/commonjs/index.d.ts	8.69 kB	0%
../lib/commonjs/accounts.d.ts	3.89 kB	0%
../lib/commonjs/types.d.ts	2.67 kB	0%
../lib/commonjs/web3.d.ts	1.35 kB	0%
../lib/commonjs/web3_eip6963.d.ts	1.2 kB	0%
../lib/commonjs/abi.d.ts	999 B	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%

[github-actions]

Benchmark

Benchmark suite	Current: 18ae7ff	Previous: 51d216f	Ratio
processingTx	8900 ops/sec (±5.17%)	9224 ops/sec (±3.84%)	1.04
processingContractDeploy	39103 ops/sec (±8.96%)	41118 ops/sec (±7.75%)	1.05
processingContractMethodSend	18797 ops/sec (±8.21%)	20556 ops/sec (±6.13%)	1.09
processingContractMethodCall	37691 ops/sec (±6.31%)	41085 ops/sec (±4.96%)	1.09
abiEncode	42988 ops/sec (±7.14%)	46586 ops/sec (±6.55%)	1.08
abiDecode	28552 ops/sec (±8.76%)	31710 ops/sec (±6.85%)	1.11
sign	1556 ops/sec (±0.92%)	1608 ops/sec (±0.76%)	1.03
verify	357 ops/sec (±2.90%)	374 ops/sec (±2.89%)	1.05

This comment was automatically generated by workflow using github-action-benchmark.