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Disable flaky ExtensionModuleApiTest.CognitoFile on startup timeout (#35287)

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Disable flaky PersistentBackground/ExtensionModuleApiTest.CognitoFile/0

This Chromium test intermittently times out on Windows CI because
Brave's additional startup services keep the UI thread non-idle,
causing RunUntilIdle() to exceed the 30-second timeout. The test
exercises purely upstream extension module API code with no Brave
modifications. Upstream flake rate: 0.2% (stable).

Resolves https://github.com/brave/brave-browser/issues/54187

Co-authored-by: Brian R. Bondy <netzen@gmail.com>
This commit is contained in:
Netzenbot
2026-04-06 16:57:53 -04:00
committed by GitHub
co-authored by Brian R. Bondy
parent 0cb89eac4c
commit 8043aa1e1c
1 changed files with 9 additions and 0 deletions
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@@ -3586,6 +3586,15 @@
# https://github.com/brave/brave-browser/issues/54039
-ChromeDataUseMeasurementBrowserTest.DataUseRecorded
# This Chromium test times out because RunUntilIdle() at
# browser_test_base.cc:966 never completes — Brave's additional startup
# services (stats updater, referrals, P3A, NTP background images, etc.) keep
# the UI thread task queue non-idle, exceeding the 30-second
# action_max_timeout. Upstream flake rate: 0.2% (stable). No Brave
# modifications to the extension module API code under test.
# https://github.com/brave/brave-browser/issues/54187
-PersistentBackground/ExtensionModuleApiTest.CognitoFile/0
# Chromium test: known upstream flake (3.4% flake rate over 30 days,
# 112k+ verdicts). No Brave modifications in chrome/browser/save_to_drive/.
# Test times out during PDF extension host loading in SetUpOnMainThread.