test: flaky feature preview tests

[ggazzo]

https://rocketchat.atlassian.net/browse/ARCH-1584
https://rocketchat.atlassian.net/browse/FLAKY-1196
https://rocketchat.atlassian.net/browse/FLAKY-1156

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[dionisio-bot]

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Latest commit: b3bdb63

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[github-actions]

PR Preview Action v1.6.1
🚀 View preview at https://RocketChat.github.io/Rocket.Chat/pr-preview/pr-35891/
Built to branch gh-pages at 2025-04-29 14:06 UTC. Preview will be ready when the GitHub Pages deployment is complete.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 61.18%. Comparing base (348e8ba) to head (b3bdb63).
Report is 8 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop   #35891      +/-   ##
===========================================
+ Coverage    61.17%   61.18%   +0.01%     
===========================================
  Files         3161     3162       +1     
  Lines        74702    74717      +15     
  Branches     16678    16681       +3     
===========================================
+ Hits         45700    45719      +19     
+ Misses       25901    25896       -5     
- Partials      3101     3102       +1     

Flag	Coverage Δ
e2e	57.85% <ø> (+0.02%)	⬆️
unit	75.10% <ø> (ø)

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