e.g. https://build.chromium.org/p/chromium.memory.fyi/builders/Linux%20ChromeOS%20MSan%20Tests/builds/7849

[ RUN      ] BrailleDisplayPrivateAPIUserTest.KeyEventOnLockScreen
Xlib:  extension "RANDR" missing on display ":9".
[8036:8036:0307/194319:INFO:lock_state_controller.cc(95)] Constructing LockStateController instance 0x72a00000e600
[8036:8036:0307/194319:WARNING:child_account_service.cc(289)] User instance wasn't found while setting child account flag.
[8036:8083:0307/194319:WARNING:freezer_cgroup_process_manager.cc(59)] Cgroup freezer does not exist or is not writable. Unable to freeze renderer processes.
[8036:8036:0307/194319:INFO:power_button_observer.cc(37)] Creating PowerButtonObserver 0x7060000f02a0
[8036:8036:0307/194319:INFO:lock_state_controller.cc(235)] LockStateController::OnLoginStateChanged login_status_: 0, status: 0
[8036:8036:0307/194319:INFO:lock_state_controller.cc(235)] LockStateController::OnLoginStateChanged login_status_: 0, status: 2
[8036:8098:0307/194319:WARNING:local_extension_cache.cc(259)] Extensions will not be installed from update URLs until /tmp/.org.chromium.Chromium.1QjgGI/dk4ntYJ/stub_device_local_extension_cache/.initialized exists.
[8094:8094:0308/034319:WARNING:ipc_message_attachment_set.cc(57)] MessageAttachmentSet destroyed with unconsumed descriptors: 0/1
[8036:8036:0307/194334:ERROR:policy_oauth2_token_fetcher.cc(147)] Unrecoverable error or retry count max reached.
[8036:8036:0307/194334:ERROR:user_cloud_policy_manager_chromeos.cc(425)] Policy fetch failed for owner@invalid.domain - aborting profile initialization
BrowserTestBase signal handler received SIGTERM. Backtrace:
#0 0x0000007a4260 __interceptor_backtrace
#1 0x0000059018d7 base::debug::StackTrace::StackTrace()
#2 0x000005c25720 content::(anonymous namespace)::DumpStackTraceSignalHandler()
#3 0x000000791519 SignalHandler()
#4 0x7ffaf40a9150 <unknown>
#5 0x7ffaf415a9d3 __poll
#6 0x0000007a330a __interceptor_poll
#7 0x7ffafa1759d2 g_main_context_iterate
#8 0x7ffafa175f62 g_main_context_iteration
#9 0x000005b44009 base::MessagePumpGlib::Run()
#10 0x0000059f6565 base::RunLoop::Run()
#11 0x00001a500ef7 content::RunThisRunLoop()
#12 0x00001a503e72 content::WindowedNotificationObserver::Wait()
#13 0x0000011cf21f extensions::api::braille_display_private::BrailleDisplayPrivateAPIUserTest::LockScreen()
#14 0x0000011cd596 extensions::api::braille_display_private::BrailleDisplayPrivateAPIUserTest_KeyEventOnLockScreen_Test::RunTestOnMainThread()
#15 0x0000058bf18e InProcessBrowserTest::RunTestOnMainThreadLoop()
#16 0x000005c24f27 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop()
#17 0x00001b4a7bd8 ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#18 0x00001b4a396e ChromeBrowserMainParts::PreMainMessageLoopRun()
#19 0x0000075ae905 chromeos::ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun()
#20 0x00000b34ff1a content::BrowserMainLoop::PreMainMessageLoopRun()
#21 0x00000ba67c27 content::StartupTaskRunner::RunAllTasksNow()
#22 0x00000b348255 content::BrowserMainLoop::CreateStartupTasks()
#23 0x00000be98368 content::BrowserMainRunnerImpl::Initialize()
#24 0x00001d36b5c7 content::BrowserMain()
#25 0x00001a420dc2 content::RunNamedProcessTypeMain()
#26 0x00001a42416b content::ContentMainRunnerImpl::Run()
#27 0x00001a41c978 content::ContentMain()
#28 0x000005c240c2 content::BrowserTestBase::SetUp()
#29 0x0000058b9523 InProcessBrowserTest::SetUp()
#30 0x000006b21d08 testing::Test::Run()
#31 0x000006b251b8 testing::TestInfo::Run()
#32 0x000006b26a24 testing::TestCase::Run()
#33 0x000006b43f69 testing::internal::UnitTestImpl::RunAllTests()
#34 0x000006b42f36 testing::UnitTest::Run()
#35 0x000005b9d906 base::TestSuite::Run()
#36 0x0000031707e5 ChromeBrowserTestSuiteRunner::RunTestSuite()
#37 0x00001a4f4e53 content::LaunchTests()
#38 0x0000056a4ca0 LaunchChromeTests()
#39 0x00000317068d main
#40 0x7ffaf409476d __libc_start_main
#41 0x00000076bd89 <unknown>
[167/554] BrailleDisplayPrivateAPIUserTest.KeyEventOnLockScreen (TIMED OUT)