Failed on this completely unrelated tryjob:
https://ci.chromium.org/buildbot/tryserver.chromium.chromiumos/linux-chromeos-rel/6039

I didn't check all of the builds on this bot but did check a few and only found one failure, so only marking this P1 instead of P0. Tests must be reliable.

Log excerpt:

[ RUN      ] OAuth2Test.SetInvalidTokenStatus
HTTPS server started on 127.0.0.1:47580...
sending server_data: {"host": "127.0.0.1", "port": 47580} (36 bytes)
[4372:4372:1117/161942.672138:WARNING:install_attributes.cc(117)] Install attributes missing, first sign in
[4446:4446:1117/161942.778203:ERROR:gpu_info.cc(103)] No active GPU found, returning primary GPU.
[4372:4372:1117/161942.828305:ERROR:input_method_manager_impl.cc(1031)] IMEEngine for "fgoepimhcoialccpbmpnnblemnepkkao" is not registered
[4372:4439:1117/161942.843704:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[4372:4430:1117/161942.862666:WARNING:freezer_cgroup_process_manager.cc(62)] Cgroup freezer does not exist or is not writable. Unable to freeze renderer processes.
[4372:4441:1117/161943.284018:ERROR:service_manager.cc(158)] Connection InterfaceProviderSpec prevented service: content_renderer from binding interface: blink::mojom::ReportingServiceProxy exposed by: content_browser
[4372:4372:1117/161943.305840:WARNING:CONSOLE(0)] "Styling master document from stylesheets defined in HTML Imports is deprecated, and is planned to be removed in M65, around March 2018. Please refer to https://goo.gl/EGXzpw for possible migration paths.", source:  (0)
[4372:4372:1117/161945.016149:INFO:CONSOLE(9485)] "Loading asset bundle oauth-enrollment", source: chrome://oobe/login.js (9485)
[4372:4372:1117/161945.136608:INFO:signin_screen_handler.cc(1386)] Login WebUI >> active: 1, source: account-picker
[4372:4372:1117/161945.223380:ERROR:proximity_auth_local_state_pref_manager.cc(145)] Failed to find prefs for current user.
[4372:4372:1117/161945.223414:ERROR:proximity_auth_local_state_pref_manager.cc(85)] Failed to get easyunlock_allowed.
[4372:4372:1117/161945.223429:ERROR:proximity_auth_local_state_pref_manager.cc(145)] Failed to find prefs for current user.
[4372:4372:1117/161945.223437:ERROR:proximity_auth_local_state_pref_manager.cc(96)] Failed to get easyunlock_enabled.
[4372:4372:1117/161945.228063:ERROR:proximity_auth_local_state_pref_manager.cc(145)] Failed to find prefs for current user.
[4372:4372:1117/161945.228093:ERROR:proximity_auth_local_state_pref_manager.cc(96)] Failed to get easyunlock_enabled.
[4372:4372:1117/161945.258076:ERROR:input_method_manager_impl.cc(1031)] IMEEngine for "fgoepimhcoialccpbmpnnblemnepkkao" is not registered
[4372:4372:1117/161945.279981:INFO:chrome_cryptauth_service.cc(230)] Refresh token not yet available; waiting before starting CryptAuth managers.
[4372:4372:1117/161945.280050:INFO:tether_service.cc(132)] TetherService has started. Initial user preference value: 1
[4372:4372:1117/161945.280064:INFO:tether_service.cc(342)] Tether state has changed. New state: [BLE is not present on the device], Old state: [TetherService initializing]
[4372:4372:1117/161945.282467:INFO:sync_scheduler_impl.cc(133)] Scheduling next sync for CryptAuth Enrollment:
    Strategy: Aggressive Recovery
    Time Delta: 0 seconds
    Previous Failures: 1
[4372:4372:1117/161945.285059:INFO:tether_service.cc(342)] Tether state has changed. New state: [no potential Tether hosts], Old state: [BLE is not present on the device]
[4372:4439:1117/161945.312478:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[4372:4439:1117/161945.339284:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[4372:4372:1117/161945.375540:INFO:sync_scheduler_impl.cc(108)] Timer fired for aggressive recovery, making request...
[4372:4372:1117/161945.375819:INFO:cryptauth_gcm_manager_impl.cc(61)] Beginning GCM registration...
[4372:4441:1117/161945.377500:ERROR:checkin_request.cc(211)] Failed to get checkin response. Fetcher failed. Retrying.
[4372:4372:1117/161945.389580:INFO:CONSOLE(9469)] "Finished loading asset bundle oauth-enrollment", source: chrome://oobe/login.js (9469)
[4372:4441:1117/161945.468989:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161945.469884:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161945.483950:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161945.490108:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161945.524451:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161945.524845:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161945.529449:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161945.529780:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161945.572413:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161945.576361:WARNING:gaia_auth_fetcher.cc(948)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161945.577763:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161945.578612:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4480:1117/161945.579685:WARNING:fake_gaia.cc(318)] Serving request /oauth2/v4/token
[4372:4480:1117/161945.579832:WARNING:fake_gaia.cc(318)] Serving request /oauth2/v4/token
127.0.0.1 - - [17/Nov/2017 16:19:45] "POST /oauth2/v4/token HTTP/1.1" 200 -
127.0.0.1 - - [17/Nov/2017 16:19:45] "POST /oauth2/v4/token HTTP/1.1" 200 -
[4372:4372:1117/161945.593528:WARNING:base_requests.cc(207)] Error while parsing entry response: Line: 1, column: 1, Unexpected token., code: 3, json:

[4372:4441:1117/161946.494676:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161946.510929:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161946.511251:WARNING:gaia_auth_fetcher.cc(948)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161946.928566:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161946.953355:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161946.953763:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161947.370712:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161947.398129:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161947.398542:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161947.449390:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161947.496382:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161947.496775:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161949.324288:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161949.367990:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161949.368622:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161949.369005:WARNING:gaia_auth_fetcher.cc(948)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161949.391122:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161949.391459:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161949.816444:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161949.840394:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161949.840818:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161950.070941:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161950.092999:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161950.093348:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4372:1117/161952.871046:ERROR:tab_manager_delegate_chromeos.cc(82)] Set OOM score error: 
[4372:4372:1117/161952.871086:ERROR:tab_manager_delegate_chromeos.cc(82)] Set OOM score error: 
[4372:4441:1117/161954.123800:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161954.141427:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161954.141751:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161954.465058:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161954.487975:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161954.488402:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161954.800167:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161954.824596:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161954.824993:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/161957.430435:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/161957.446572:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/161957.446974:WARNING:gaia_auth_fetcher.cc(948)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/162002.535555:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/162002.590453:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/162002.590866:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/162002.612806:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/162002.630969:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/162002.631349:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/162003.464658:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4441:1117/162003.488297:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[4372:4372:1117/162003.488628:WARNING:oauth2_access_token_fetcher_impl.cc(88)] Could not reach Google Accounts servers: errno -107
[4372:4441:1117/162009.672953:ERROR:checkin_request.cc(211)] Failed to get checkin response. Fetcher failed. Retrying.
BrowserTestBase received signal: Terminated. Backtrace:
#0 0x000003bf379c base::debug::StackTrace::StackTrace()
#1 0x0000042287e2 content::(anonymous namespace)::DumpStackTraceSignalHandler()
#2 0x7fcddaf14cb0 <unknown>
#3 0x7fcddafdc693 epoll_wait
#4 0x000004b20d7d epoll_dispatch
#5 0x000004b1e85d event_base_loop
#6 0x000003c17584 base::MessagePumpLibevent::Run()
#7 0x000003c14899 base::MessageLoop::Run()
#8 0x000003c3e3f8 base::RunLoop::Run()
#9 0x0000013a412c chromeos::OAuth2Test_SetInvalidTokenStatus_Test::RunTestOnMainThread()
#10 0x000004228543 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop()
#11 0x000003d24555 ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#12 0x000003d2337d ChromeBrowserMainParts::PreMainMessageLoopRun()
#13 0x0000017dcc0c chromeos::ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun()
#14 0x0000024d4d21 content::BrowserMainLoop::PreMainMessageLoopRun()
#15 0x000002908e05 content::StartupTaskRunner::RunAllTasksNow()
#16 0x0000024d31df content::BrowserMainLoop::CreateStartupTasks()
#17 0x0000024d8298 content::BrowserMainRunnerImpl::Initialize()
#18 0x0000024d0d22 content::BrowserMain()
#19 0x000003bd5281 content::ContentMainRunnerImpl::Run()
#20 0x000005b6e83b service_manager::Main()
#21 0x000003bd3c64 content::ContentMain()
#22 0x0000042281b5 content::BrowserTestBase::SetUp()
#23 0x000003cde409 InProcessBrowserTest::SetUp()
#24 0x0000013b58c1 chromeos::OobeBaseTest::SetUp()
#25 0x000001b44501 testing::Test::Run()
#26 0x000001b44ff0 testing::TestInfo::Run()
#27 0x000001b454d7 testing::TestCase::Run()
#28 0x000001b4ba87 testing::internal::UnitTestImpl::RunAllTests()
#29 0x000001b4b707 testing::UnitTest::Run()
#30 0x000003cf4302 base::TestSuite::Run()
#31 0x000003be6799 ChromeTestSuiteRunner::RunTestSuite()
#32 0x00000425ee24 content::LaunchTests()
#33 0x000003be6bc5 LaunchChromeTests()
#34 0x000003be651d main
#35 0x7fcddaefff45 __libc_start_main
#36 0x0000005ab80a _start