[test] Reduce time for wheel zoom test

[alexfauquette]

https://mui-org.slack.com/archives/C02EQ97NV8F/p1757491663178749

This is a hacky solution while waiting to be able to configure the zoom speed.

I use the initialZoom to be as close as possible to the limit between show/hide the last tick.

If you're ok with the hack I can do the same for the two other tests

[mui-bot]

Deploy preview: https://deploy-preview-19571--material-ui-x.netlify.app/

Bundle size report

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@mui/x-data-grid-pro	0B(0.00%)	0B(0.00%)
@mui/x-data-grid-premium	0B(0.00%)	0B(0.00%)
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Details of bundle changes

Generated by 🚫 dangerJS against d875a0f

[codspeed-hq]

CodSpeed Performance Report

Merging #19571 will not alter performance

_{Comparing alexfauquette:fix-test-speed (d875a0f) with master (92e4dc2)¹}

Summary

✅ 10 untouched

Footnotes

1. No successful run was found on master (9f1a07f) during the generation of this report, so 92e4dc2 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

[JCQuintas]

@alexfauquette logic seems good, I would just re-run it a few times on CI to ensure the test is stable, as this was a pain to setup at the time I did it 😢

[alexfauquette]

@JCQuintas I found an even easier workaround: The deltaY does not need to be just 1 or -1 I can be 100 or -100 to increase the wheel amplitude

[JCQuintas]

@JCQuintas I found an even easier workaround: The deltaY does not need to be just 1 or -1 I can be 100 or -100 to increase the wheel amplitude

🤦 I'm aware of that. I forgot these tests were from before the new gesture manager. I probably fixed the issue that was requiring me to use the for loop... 🤣