e.g. on https://ci.chromium.org/buildbot/chromium.clang/ToTWin64/1397 , 
https://ci.chromium.org/buildbot/chromium.clang/ToTWin/1445

The .All test started here: https://ci.chromium.org/buildbot/chromium.clang/ToTWin/1423 So that's due to https://chromium.googlesource.com/chromium/src/+/526c72543e40d1ea182f9c6db1db7490cdbb4293


[ RUN      ] CrSettingsMetricsReportingTest.All
[4472:4848:0427/191527.661:WARNING:discovery_network_list_win.cc(195)] Failed to open Wlan client handle: 1062
[4472:1788:0427/191527.669:WARNING:chrome_browser_main_win.cc(630)] Command line too long for RegisterApplicationRestart:  --brave-new-test-launcher --cfi-diag=0 --gtest_also_run_disabled_tests --gtest_filter=CrSettingsMetricsReportingTest.All --single_process --test-launcher-bot-mode --test-launcher-output="C:\Users\CHROME~2\AppData\Local\Temp\scoped_dir3056_12697\results3056_15310\test_results.xml" --test-launcher-summary-output="e:\b\swarm_slave\w\iof4cw43\output.json" --user-data-dir="C:\Users\CHROME~2\AppData\Local\Temp\scoped_dir3056_12697\d3056_22553" --disable-offline-auto-reload --enable-blink-features=MojoJSTest --no-first-run --no-default-browser-check --enable-logging=stderr --disable-default-apps --wm-window-animations-disabled --disable-component-update --test-type=browser --force-color-profile=srgb --disable-zero-browsers-open-for-tests --ipc-connection-timeout=30 --allow-file-access-from-files --dom-automation --log-gpu-control-list-decisions --disable-backgrounding-occluded-windows --disable-gl-drawing-for-tests --override-use-software-gl-for-tests --force-color-profile=srgb --disable-compositor-ukm-for-tests --enable-features=TestFeatureForBrowserTest1 --disable-features=NetworkPrediction,TestFeatureForBrowserTest2 --flag-switches-begin --flag-switches-end --restore-last-session about:blank
[4472:1788:0427/191528.530:INFO:CONSOLE(1225)] "Running TestCase CrSettingsMetricsReportingTest.All", source: file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/test_api.js (1225)
[4472:1788:0427/191528.765:ERROR:CONSOLE(48)] "Mocha test failed: metrics reporting changes to whether metrics reporting is enabled/managed
TypeError: Cannot read property 'checked' of undefined
    at file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/settings/metrics_reporting_tests.js:26:71
", source: file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/mocha_adapter.js (48)
[4472:1788:0427/191528.802:ERROR:CONSOLE(48)] "Mocha test failed: metrics reporting metrics reporting restart button
AssertionError: expected false to be true
    at Function.assert.isTrue (file:///E:/b/swarm_slave/w/ir/third_party/chaijs/chai.js:2423:31)
    at assertTrue (file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/test_api.js:853:17)
    at file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/settings/metrics_reporting_tests.js:86:7
", source: file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/mocha_adapter.js (48)
[4472:1788:0427/191528.805:ERROR:web_ui_test_handler.cc(82)] Test Errors: 2/2 tests had failed assertions.
[4472:1788:0427/191528.805:ERROR:web_ui_browser_test.cc(475)] CONDITION FAILURE: encountered javascript console error(s):
[4472:1788:0427/191528.805:ERROR:web_ui_browser_test.cc(477)] JS ERROR: '[4472:1788:0427/191528.765:ERROR:CONSOLE(48)] "Mocha test failed: metrics reporting changes to whether metrics reporting is enabled/managed
TypeError: Cannot read property 'checked' of undefined
    at file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/settings/metrics_reporting_tests.js:26:71
", source: file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/mocha_adapter.js (48)
'
[4472:1788:0427/191528.805:ERROR:web_ui_browser_test.cc(477)] JS ERROR: '[4472:1788:0427/191528.802:ERROR:CONSOLE(48)] "Mocha test failed: metrics reporting metrics reporting restart button
AssertionError: expected false to be true
    at Function.assert.isTrue (file:///E:/b/swarm_slave/w/ir/third_party/chaijs/chai.js:2423:31)
    at assertTrue (file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/test_api.js:853:17)
    at file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/settings/metrics_reporting_tests.js:86:7
", source: file:///E:/b/swarm_slave/w/ir/chrome/test/data/webui/mocha_adapter.js (48)
'
[4472:1788:0427/191528.805:ERROR:web_ui_browser_test.cc(479)] JS call assumed failed, because JS console error(s) found.
gen/chrome/test/data/webui/settings/cr_settings_browsertest-gen.cc(2833): error: Value of: RunJavascriptTestF( true, "CrSettingsMetricsReportingTest", "All")
  Actual: false
Expected: true
Stack trace:
Backtrace:
	StackTraceGetter::CurrentStackTrace [0x017A62F8+40]
	testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop [0x017AEF71+69]
	testing::internal::AssertHelper::operator= [0x017AEBD6+48]
	CrSettingsMetricsReportingTest_All_Test::RunTestOnMainThread [0x0175E1D8+680]
	content::BrowserTestBase::ProxyRunTestOnMainThreadLoop [0x02DFC395+357]
	ChromeBrowserMainParts::PreMainMessageLoopRunImpl [0x03388172+3300]
	ChromeBrowserMainParts::PreMainMessageLoopRun [0x033873D1+145]
	content::BrowserMainLoop::PreMainMessageLoopRun [0x01F28E44+68]
	content::StartupTaskRunner::RunAllTasksNow [0x0219E911+23]
	content::BrowserMainLoop::CreateStartupTasks [0x01F27F29+615]
	content::BrowserMainRunnerImpl::Initialize [0x01F2AC04+100]
	content::BrowserMain [0x01F264FA+138]
	content::RunNamedProcessTypeMain [0x02C85C73+123]
	content::ContentMainRunnerImpl::Run [0x02C860AE+142]
	service_manager::Main [0x03DF7926+698]
	content::ContentMain [0x02C85B9F+51]
	content::BrowserTestBase::SetUp [0x02DFC16A+1498]
[4472:1788:0427/191530.473:WARNING:pref_notifier_impl.cc(23)] Pref observer found at shutdown.
[4472:1788:0427/191530.473:WARNING:pref_notifier_impl.cc(23)] Pref observer found at shutdown.
[  FAILED  ] CrSettingsMetricsReportingTest.All, where TypeParam =  and GetParam() =  (2893 ms)




[ RUN      ] CrSettingsPersonalizationOptionsTest.OfficialBuild
[4264:6108:0501/034504.679:ERROR:install_util.cc(589)] Unable to create registry key HKLM\SOFTWARE\Policies\Google\Chrome for reading result=2
[4264:5548:0501/034504.730:WARNING:discovery_network_list_win.cc(195)] Failed to open Wlan client handle: 1062
[4264:6108:0501/034504.731:WARNING:chrome_browser_main_win.cc(630)] Command line too long for RegisterApplicationRestart:  --brave-new-test-launcher --cfi-diag=0 --gtest_also_run_disabled_tests --gtest_filter=CrSettingsPersonalizationOptionsTest.OfficialBuild --single_process --test-launcher-bot-mode --test-launcher-output="C:\Users\CHROME~2\AppData\Local\Temp\scoped_dir4036_6079\results4036_19280\test_results.xml" --test-launcher-summary-output="e:\b\s\w\ioybwyu_\output.json" --user-data-dir="C:\Users\CHROME~2\AppData\Local\Temp\scoped_dir4036_6079\d4036_20534" --disable-offline-auto-reload --enable-blink-features=MojoJSTest --no-first-run --no-default-browser-check --enable-logging=stderr --disable-default-apps --wm-window-animations-disabled --disable-component-update --test-type=browser --force-color-profile=srgb --disable-zero-browsers-open-for-tests --ipc-connection-timeout=30 --allow-file-access-from-files --dom-automation --log-gpu-control-list-decisions --disable-backgrounding-occluded-windows --disable-gl-drawing-for-tests --override-use-software-gl-for-tests --force-color-profile=srgb --disable-compositor-ukm-for-tests --enable-features=TestFeatureForBrowserTest1 --disable-features=NetworkPrediction,TestFeatureForBrowserTest2 --flag-switches-begin --flag-switches-end --restore-last-session about:blank
[4264:6108:0501/034505.540:INFO:CONSOLE(1225)] "Running TestCase CrSettingsPersonalizationOptionsTest.OfficialBuild", source: file:///E:/b/s/w/ir/chrome/test/data/webui/test_api.js (1225)
[4264:6108:0501/034505.728:ERROR:CONSOLE(48)] "Mocha test failed: SafeBrowsingExtendedReportingOfficialBuild displaying toggles depending on unified consent
AssertionError: expected 6 to equal 7
    at Function.assert.strictEqual (file:///E:/b/s/w/ir/third_party/chaijs/chai.js:2277:32)
    at assertEquals (file:///E:/b/s/w/ir/chrome/test/data/webui/test_api.js:892:17)
    at Context.<anonymous> (file:///E:/b/s/w/ir/chrome/test/data/webui/settings/personalization_options_test.js:92:9)
", source: file:///E:/b/s/w/ir/chrome/test/data/webui/mocha_adapter.js (48)
[4264:6108:0501/034505.728:ERROR:web_ui_test_handler.cc(82)] Test Errors: 1/1 tests had failed assertions.
[4264:6108:0501/034505.728:ERROR:web_ui_browser_test.cc(475)] CONDITION FAILURE: encountered javascript console error(s):
[4264:6108:0501/034505.728:ERROR:web_ui_browser_test.cc(477)] JS ERROR: '[4264:6108:0501/034505.728:ERROR:CONSOLE(48)] "Mocha test failed: SafeBrowsingExtendedReportingOfficialBuild displaying toggles depending on unified consent
AssertionError: expected 6 to equal 7
    at Function.assert.strictEqual (file:///E:/b/s/w/ir/third_party/chaijs/chai.js:2277:32)
    at assertEquals (file:///E:/b/s/w/ir/chrome/test/data/webui/test_api.js:892:17)
    at Context.<anonymous> (file:///E:/b/s/w/ir/chrome/test/data/webui/settings/personalization_options_test.js:92:9)
", source: file:///E:/b/s/w/ir/chrome/test/data/webui/mocha_adapter.js (48)
'
[4264:6108:0501/034505.728:ERROR:web_ui_browser_test.cc(479)] JS call assumed failed, because JS console error(s) found.
gen/chrome/test/data/webui/settings/cr_settings_browsertest-gen.cc(1202): error: Value of: RunJavascriptTestF( true, "CrSettingsPersonalizationOptionsTest", "OfficialBuild")
  Actual: false
Expected: true
Stack trace:
Backtrace:
	testing::internal::UnitTestImpl::CurrentOsStackTraceExceptTop [0x0000000140156697+87]
	testing::internal::AssertHelper::operator= [0x000000014015621E+78]
	CrSettingsPersonalizationOptionsTest_OfficialBuild_Test::RunTestOnMainThread [0x00000001400E1798+1256]
	content::BrowserTestBase::ProxyRunTestOnMainThreadLoop [0x0000000141C410FD+477]
	ChromeBrowserMainParts::PreMainMessageLoopRunImpl [0x00000001422BDBB5+4565]
	ChromeBrowserMainParts::PreMainMessageLoopRun [0x00000001422BC8D6+182]
	content::BrowserMainLoop::PreMainMessageLoopRun [0x00000001409E8755+85]
	content::StartupTaskRunner::RunAllTasksNow [0x0000000140CD2A3C+28]
	content::BrowserMainLoop::CreateStartupTasks [0x00000001409E7350+736]
	content::BrowserMainRunnerImpl::Initialize [0x00000001409EAA0E+126]
	content::BrowserMain [0x00000001409E5050+176]
	content::ContentMainRunnerImpl::Run [0x0000000141A88B75+277]
	service_manager::Main [0x0000000142E1AB6E+1134]
	content::ContentMain [0x0000000141A88531+65]
	content::BrowserTestBase::SetUp [0x0000000141C40E0D+1757]
	InProcessBrowserTest::SetUp [0x0000000141BA7F1C+428]
[4264:6108:0501/034506.321:WARNING:pref_notifier_impl.cc(23)] Pref observer found at shutdown.
[4264:6108:0501/034506.321:WARNING:pref_notifier_impl.cc(23)] Pref observer found at shutdown.
[  FAILED  ] CrSettingsPersonalizationOptionsTest.OfficialBuild, where TypeParam =  and GetParam() =  (1657 ms)