BackgroundTest.ActiveOrInactive in chromevox_tests is currently flaky (timing out). See for example
https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%281%29/builds/22272/steps/chromevox_tests/logs/stdio
[ RUN ] BackgroundTest.ActiveOrInactive
[17911:17911:0704/103059:WARNING:chrome_browser_main_chromeos.cc(334)] Running as stub user with profile dir: test-user
[17911:17951:0704/103059:WARNING:oom_kills_monitor.cc(163)] Open /dev/kmsg failed: Permission denied
Xlib: extension "RANDR" missing on display ":9".
[17954:17954:0704/103059:ERROR:sandbox_linux.cc(343)] InitializeSandbox() called with multiple threads in process gpu-process.
[17911:17969:0704/103059:WARNING:local_extension_cache.cc(259)] Extensions will not be installed from update URLs until /tmp/.org.chromium.Chromium.0HUC1U/dLwIY1q/stub_device_local_extension_cache/.initialized exists.
[17911:17911:0704/103059:WARNING:child_account_service.cc(302)] User instance wasn't found while setting child account flag.
[17911:17942:0704/103059:WARNING:freezer_cgroup_process_manager.cc(59)] Cgroup freezer does not exist or is not writable. Unable to freeze renderer processes.
[17911:17911:0704/103059:INFO:CONSOLE(301)] "Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.", source: chrome-extension://mndnfokpggljbaajbnioimlmbfngpief/chromeVox2ChromeBackgroundScript.js (301)
[17911:17942:0704/103100:ERROR:component_loader.cc(94)] Can't load /usr/share/chromeos-assets/speech_synthesis/patts/manifest.json: Manifest file is missing or unreadable.
[17911:17911:0704/103100:INFO:CONSOLE(846)] "Speak (Q) category=nav "Alert"", source: chrome-extension://mndnfokpggljbaajbnioimlmbfngpief/chromeVox2ChromeBackgroundScript.js (846)
[17911:17911:0704/103100:INFO:CONSOLE(846)] "Speak (Q) category=nav "Connected to eth1"", source: chrome-extension://mndnfokpggljbaajbnioimlmbfngpief/chromeVox2ChromeBackgroundScript.js (846)
[17911:17911:0704/103100:INFO:CONSOLE(718)] "Earcon alert_nonmodal", source: chrome-extension://mndnfokpggljbaajbnioimlmbfngpief/chromeVox2ChromeBackgroundScript.js (718)
[17911:17911:0704/103100:INFO:CONSOLE(846)] "Speak (Q) category=nav """, source: chrome-extension://mndnfokpggljbaajbnioimlmbfngpief/chromeVox2ChromeBackgroundScript.js (846)
[17911:17911:0704/103100:INFO:CONSOLE(846)] "Speak (Q) "ChromeVox spoken feedback is ready"", source: chrome-extension://mndnfokpggljbaajbnioimlmbfngpief/chromeVox2ChromeBackgroundScript.js (846)
[17911:17911:0704/103100:INFO:CONSOLE(7699)] "Running TestCase BackgroundTest.ActiveOrInactive", source: background_test.extjs (7699)
[17911:17911:0704/103100:INFO:CONSOLE(846)] "Speak (I) "Switched to ChromeVox Next"", source: chrome-extension://mndnfokpggljbaajbnioimlmbfngpief/chromeVox2ChromeBackgroundScript.js (846)
[17:17:0704/103100:WARNING:webmediaplayer_impl.cc(335)] Using MultibufferDataSource
[3,2389153984:17:31:00.427551] Native Client module will be loaded at base address 0x00007fd900000000
[17911:17911:0704/103100:INFO:CONSOLE(1675)] "Injecting into 2", source: chrome-extension://mndnfokpggljbaajbnioimlmbfngpief/chromeVox2ChromeBackgroundScript.js (1675)
[17911:17911:0704/103100:INFO:CONSOLE(742)] "loaded liblouis Native Client instance", source: chrome-extension://mndnfokpggljbaajbnioimlmbfngpief/chromeVox2ChromeBackgroundScript.js (742)
[17911:17911:0704/103100:INFO:CONSOLE(2031)] "ChromeVox waiting for background page: about:blank. Will try again in 100ms", source: chrome-extension://chromevox/chromeVoxChromePageScript.js (2031)
[17911:17911:0704/103100:INFO:CONSOLE(2031)] "ChromeVox waiting for background page: data:text/html,<!doctype html><a href="a">a</a> <button>b</button> <input type="text"></input>. Will try again in 100ms", source: chrome-extension://mndnfokpggljbaajbnioimlmbfngpief/chromeVoxChromePageScript.js (2031)
[17:44:0704/103101:ERROR:ffmpeg_demuxer.cc(1595)] OnReadFrameDone result=-541478725 IsMaxMemoryUsageReached=0
[17911:17911:0704/103102:INFO:CONSOLE(9076)] "Still waiting for Do not speak 'a'", source: background_test.extjs (9076)
[17911:17911:0704/103102:INFO:CONSOLE(9079)] "Pending braille:
', tab' startIndex=-1 endIndex=-1
'data:text/html,<!doctype html><a href="a">a</a> <button>b</button> <input type="text"></input>' startIndex=-1 endIndex=-1
'a lnk' startIndex=-1 endIndex=-1
'b btn' startIndex=-1 endIndex=-1
", source: background_test.extjs (9079)
[17911:17911:0704/103102:INFO:CONSOLE(9079)] "Pending earcons:
'object_open'
'page_start_loading'
'object_select'
'page_finish_loading'
'link'
'button'
", source: background_test.extjs (9079)
BrowserTestBase signal handler received SIGTERM. Backtrace:
#0 0x000002de81ce base::debug::StackTrace::StackTrace()
#1 0x0000005de1aa content::(anonymous namespace)::DumpStackTraceSignalHandler()
#2 0x7ff2911d7150 <unknown>
#3 0x7ff2912889d3 __poll
#4 0x7ff294f7cff6 <unknown>
#5 0x7ff294f7d124 g_main_context_iteration
#6 0x000002e00ba6 base::MessagePumpGlib::Run()
#7 0x000002e1aaee base::RunLoop::Run()
#8 0x0000055b039c content::RunThisRunLoop()
#9 0x0000005de6fa content::(anonymous namespace)::ExecuteScriptHelper()
#10 0x0000005de94e content::ExecuteScriptAndExtractString()
#11 0x000000471383 extensions::browsertest_util::ExecuteScriptInBackgroundPage()
#12 0x0000004727b0 ExtensionJSBrowserTest::RunJavascriptTestF()
#13 0x000000481581 BackgroundTest_ActiveOrInactive_Test::RunTestOnMainThread()
#14 0x0000031890ab InProcessBrowserTest::RunTestOnMainThreadLoop()
#15 0x0000005ddf84 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop()
#16 0x000002e75751 ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#17 0x000002e749a5 ChromeBrowserMainParts::PreMainMessageLoopRun()
#18 0x000001d854d1 chromeos::ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun()
#19 0x000000cbff95 content::BrowserMainLoop::PreMainMessageLoopRun()
#20 0x000000f59137 content::StartupTaskRunner::RunAllTasksNow()
#21 0x000000cbe7c4 content::BrowserMainLoop::CreateStartupTasks()
#22 0x000000cc2b5d content::BrowserMainRunnerImpl::Initialize()
#23 0x000000cbc176 content::BrowserMain()
#24 0x000002dc6f27 content::ContentMainRunnerImpl::Run()
#25 0x000002dc5ab0 content::ContentMain()
#26 0x0000005dd949 content::BrowserTestBase::SetUp()
#27 0x0000031886cc InProcessBrowserTest::SetUp()
#28 0x000003194888 testing::Test::Run()
#29 0x000003195523 testing::TestInfo::Run()
#30 0x0000031959b3 testing::TestCase::Run()
#31 0x00000319cb89 testing::internal::UnitTestImpl::RunAllTests()
#32 0x00000319c82e testing::UnitTest::Run()
#33 0x0000005cf136 base::TestSuite::Run()
#34 0x000003187f6b ChromeTestSuiteRunner::RunTestSuite()
#35 0x0000055ad8bf content::LaunchTests()
#36 0x000000472307 main
#37 0x7ff2911c276d __libc_start_main
#38 0x000000471251 <unknown>
[44/412] BackgroundTest.ActiveOrInactive (TIMED OUT)
Comment 1 by danakj@chromium.org
, Jul 8 2016