Nala: resolve WebKit timing issue in grid-marquee

[yeibercano]

Summary

Fix tests by adding networkidle wait and increased timeout.

Potentially introduced here: #693

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Jira Ticket

Resolves: MWPW-181665

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Test URLs

Env	URL
Before	https://main--express-milo--adobecom.aem.page/express/
After	https://nala-grid-marquee--express-milo--adobecom.aem.page/express/?martech=off

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Verification Steps

• Steps to reproduce the issue or view the new feature.
• What to expect before and after the change.

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Potential Regressions

• https://--express-milo--adobecom.aem.live/express/?martech=off

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Additional Notes

(If applicable) Add context, related PRs, or known issues here.

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Commits

• 5d053aa ✅ (latest)
• e0363a3 ✅

[yeibercano]

[aem-code-sync]

	Page	Scores	Audits
📱	/express/?martech=off
🖥️	/express/?martech=off

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.85%. Comparing base (580aee2) to head (5d053aa).

Additional details and impacted files

@@            Coverage Diff             @@
##            stage     #758      +/-   ##
==========================================
- Coverage   70.86%   70.85%   -0.01%     
==========================================
  Files         108      108              
  Lines       24744    24744              
==========================================
- Hits        17535    17533       -2     
- Misses       7209     7211       +2     

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[express-milo-merge-bot]

Error merging 758: Nala: resolve WebKit timing issue in grid-marquee Pull Request is not mergeable - https://docs.github.com/rest/pulls/pulls#merge-a-pull-request

[express-milo-merge-bot]

Error merging 758: Nala: resolve WebKit timing issue in grid-marquee Pull Request is not mergeable - https://docs.github.com/rest/pulls/pulls#merge-a-pull-request

[express-milo-merge-bot]

Error merging 758: Nala: resolve WebKit timing issue in grid-marquee Pull Request is not mergeable - https://docs.github.com/rest/pulls/pulls#merge-a-pull-request

[express-milo-merge-bot]

Error merging 758: Nala: resolve WebKit timing issue in grid-marquee Pull Request is not mergeable - https://docs.github.com/rest/pulls/pulls#merge-a-pull-request

[express-milo-merge-bot]

Error merging 758: Nala: resolve WebKit timing issue in grid-marquee Pull Request is not mergeable - https://docs.github.com/rest/pulls/pulls#merge-a-pull-request

[express-milo-merge-bot]

Error merging 758: Nala: resolve WebKit timing issue in grid-marquee Pull Request is not mergeable - https://docs.github.com/rest/pulls/pulls#merge-a-pull-request