I only have it running on the FYI bot. Here's a failure:

https://ci.chromium.org/buildbot/chromium.fyi/Mojo%20ChromiumOS/24344

[ RUN      ] SAMLPolicyTest.TransferCookiesAffiliated
HTTPS server started on 127.0.0.1:33089...
sending server_data: {"host": "127.0.0.1", "port": 33089} (36 bytes)
HTTPS server started on 127.0.0.1:40810...
sending server_data: {"host": "127.0.0.1", "port": 40810} (36 bytes)
[843:1018:1115/052542.104963:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[843:1018:1115/052542.106141:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[843:1018:1115/052542.206696:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[1027:1027:1115/052542.281489:ERROR:shell_delegate_mus.cc(71)] Not implemented reached in virtual void ash::ShellDelegateMus::PreInit()
[1027:1027:1115/052542.318260:ERROR:easy_resize_window_targeter.cc(29)] Not implemented reached in gfx::Insets wm::(anonymous namespace)::InsetsWithOnlyNegativeValues(const gfx::Insets &)
[1027:1027:1115/052542.334650:ERROR:layer_tree_host_impl.cc(2505)] Forcing zero-copy tile initialization as worker context is missing
[843:843:1115/052542.373195:ERROR:input_method_manager_impl.cc(1031)] IMEEngine for "fgoepimhcoialccpbmpnnblemnepkkao" is not registered
[843:843:1115/052542.373643:ERROR:login_display_host_webui.cc(532)] Not implemented reached in chromeos::LoginDisplayHostWebUI::LoginDisplayHostWebUI(const gfx::Rect &)
[843:843:1115/052542.373748:ERROR:input_events_blocker.cc(21)] Not implemented reached in chromeos::InputEventsBlocker::InputEventsBlocker()
[843:843:1115/052542.380575:ERROR:webui_login_view.cc(129)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380607:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380620:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380627:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380635:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380642:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380650:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380658:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380665:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380673:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380681:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[843:843:1115/052542.380688:ERROR:webui_login_view.cc(185)] Not implemented reached in chromeos::WebUILoginView::WebUILoginView(const chromeos::WebUILoginView::WebViewSettings &)
[1027:1027:1115/052542.383804:ERROR:shell_delegate_mus.cc(61)] Not implemented reached in virtual bool ash::ShellDelegateMus::CanShowWindowForUser(aura::Window *) const
[843:1018:1115/052542.384647:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[843:843:1115/052542.392380:ERROR:core_oobe_handler.cc(97)] Not implemented reached in chromeos::CoreOobeHandler::CoreOobeHandler(chromeos::OobeUI *, chromeos::JSCallsContainer *)
[843:843:1115/052542.396433:ERROR:render_widget_host_view_aura.cc(1296)] Not implemented reached in virtual base::i18n::TextDirection content::RenderWidgetHostViewAura::GetTextDirection() const
[843:843:1115/052542.396923:ERROR:input_events_blocker.cc(30)] Not implemented reached in virtual chromeos::InputEventsBlocker::~InputEventsBlocker()
[843:1008:1115/052542.396996:WARNING:freezer_cgroup_process_manager.cc(62)] Cgroup freezer does not exist or is not writable. Unable to freeze renderer processes.
[843:843:1115/052542.402560:ERROR:network_profile_handler.cc(83)] Manager properties returned from Shill don't contain the field Profiles
[843:843:1115/052542.402610:ERROR:network_sms_handler.cc(410)] NetworkSmsHandler: No list value for: Devices
[843:843:1115/052542.404470:WARNING:server_backed_state_keys_broker.cc(77)] Failed to obtain server-backed state keys.
[843:843:1115/052542.404576:INFO:remote_commands_service.cc(36)] Fetching remote commands.
[843:843:1115/052542.404793:INFO:system_log_uploader.cc(198)] Creating system log uploader.
[843:843:1115/052542.404837:INFO:system_log_uploader.cc(340)] Scheduling next system log upload 0 s from now.
[843:843:1115/052542.410847:ERROR:remote_text_input_client.cc(153)] Not implemented reached in virtual void RemoteTextInputClient::EnsureCaretNotInRect(const gfx::Rect &)
[843:843:1115/052542.412013:INFO:system_log_uploader.cc(320)] System log upload is disabled, rescheduling.
[843:843:1115/052542.412056:INFO:system_log_uploader.cc(340)] Scheduling next system log upload 43200 s from now.
[843:843:1115/052542.416308:ERROR:layer_tree_host_impl.cc(2505)] Forcing zero-copy tile initialization as worker context is missing
[1:10:1115/052542.439317:ERROR:layer_tree_host_impl.cc(2505)] Forcing zero-copy tile initialization as worker context is missing
[843:843:1115/052542.498458:WARNING:device_management_service.cc(289)] DMServer request failed, status: 3, error: -102
[843:843:1115/052542.498488:INFO:remote_commands_service.cc(161)] Remote commands fetched.
[843:843:1115/052542.498585:WARNING:device_management_service.cc(289)] DMServer request failed, status: 3, error: -102
[843:1021:1115/052542.697774:ERROR:service_manager.cc(158)] Connection InterfaceProviderSpec prevented service: content_renderer from binding interface: blink::mojom::ReportingServiceProxy exposed by: content_browser
[843:843:1115/052542.697984: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)
[843:843:1115/052543.965883:ERROR:core_oobe_handler.cc(416)] Not implemented reached in void chromeos::CoreOobeHandler::UpdateA11yState()
[843:843:1115/052543.967022:INFO:CONSOLE(9485)] "Loading asset bundle oauth-enrollment", source: chrome://oobe/login.js (9485)
[843:843:1115/052543.967412:ERROR:network_type_pattern.cc(127)] NetworkTypePattern: wifi: Can not match empty type.
[843:843:1115/052543.968961:ERROR:network_type_pattern.cc(127)] NetworkTypePattern: wifi: Can not match empty type.
[843:843:1115/052543.969947:ERROR:network_type_pattern.cc(127)] NetworkTypePattern: wifi: Can not match empty type.
[843:843:1115/052543.970163:ERROR:network_type_pattern.cc(127)] NetworkTypePattern: wifi: Can not match empty type.
[843:843:1115/052543.974324:WARNING:device_management_service.cc(289)] DMServer request failed, status: 3, error: -102
[843:843:1115/052544.069175:INFO:signin_screen_handler.cc(1386)] Login WebUI >> active: 1, source: account-picker
[843:843:1115/052544.175758:ERROR:proximity_auth_local_state_pref_manager.cc(145)] Failed to find prefs for current user.
[843:843:1115/052544.175786:ERROR:proximity_auth_local_state_pref_manager.cc(85)] Failed to get easyunlock_allowed.
[843:843:1115/052544.175809:ERROR:proximity_auth_local_state_pref_manager.cc(145)] Failed to find prefs for current user.
[843:843:1115/052544.175818:ERROR:proximity_auth_local_state_pref_manager.cc(96)] Failed to get easyunlock_enabled.
[843:843:1115/052544.180783:ERROR:arc_session.cc(504)] Failed to start ARC instance
[843:843:1115/052544.180814:INFO:arc_session_runner.cc(287)] ARC stopped: GENERIC_BOOT_FAILURE
[843:843:1115/052544.216222:INFO:lock_screen_utils.cc(56)] GetUserLastInputMethod: no input method for this user
[843:843:1115/052544.234038:INFO:signin_screen_handler.cc(1386)] Login WebUI >> active: 0, source: account-picker
[843:843:1115/052544.236448:INFO:signin_screen_handler.cc(1386)] Login WebUI >> active: 1, source: gaia-signin
[843:1115:1115/052544.268421:WARNING:fake_gaia.cc(318)] Serving request /oauth2/v4/token
[843:1115:1115/052544.268452:ERROR:fake_gaia.cc(735)] Bad request for /oauth2/v4/token - refresh_token = , scope = https://www.googleapis.com/auth/userinfo.email, client_id = dummytoken
127.0.0.1 - - [15/Nov/2017 05:25:44] "POST /oauth2/v4/token HTTP/1.1" 400 -
[843:1018:1115/052544.307838:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[843:843:1115/052544.423286:INFO:CONSOLE(9469)] "Finished loading asset bundle oauth-enrollment", source: chrome://oobe/login.js (9469)
[1:10:1115/052544.588354:ERROR:layer_tree_host_impl.cc(2505)] Forcing zero-copy tile initialization as worker context is missing
[843:1115:1115/052544.598683:WARNING:fake_gaia.cc(318)] Serving request /embedded/setup/v2/chromeos
127.0.0.1 - - [15/Nov/2017 05:25:44] "GET /embedded/setup/v2/chromeos?chrometype=chromedevice&client_id=dummytoken&manageddomain=example.com&client_version=64.0.3270.0&platform_version=0.0.0.0&endpoint_gen=1.0&mi=gm%2C&chromeos_board=unknown&hl=en-US HTTP/1.1" 200 -
[843:1115:1115/052544.737631:ERROR:fake_gaia.cc(321)] Unhandled request /favicon.ico
[843:1115:1115/052544.737676:WARNING:embedded_test_server.cc(228)] Request not handled. Returning 404: /favicon.ico
127.0.0.1 - - [15/Nov/2017 05:25:44] "GET /favicon.ico HTTP/1.1" 404 -
[843:1115:1115/052544.806417:ERROR:fake_gaia.cc(321)] Unhandled request /favicon.ico
[843:1115:1115/052544.806459:WARNING:embedded_test_server.cc(228)] Request not handled. Returning 404: /favicon.ico
127.0.0.1 - - [15/Nov/2017 05:25:44] "GET /favicon.ico HTTP/1.1" 404 -
[843:843:1115/052544.877403:WARNING:CONSOLE(18155)] "Unrecognized message from GAIA: clearOldAttempts", source: chrome://oobe/login.js (18155)
[843:843:1115/052544.877559:WARNING:CONSOLE(18155)] "Unrecognized message from GAIA: clearOldAttempts", source: chrome://oobe/login.js (18155)
[843:843:1115/052544.891546:WARNING:CONSOLE(18155)] "Unrecognized message from GAIA: clearOldAttempts", source: chrome://oobe/login.js (18155)
[843:843:1115/052544.891796:WARNING:CONSOLE(18155)] "Unrecognized message from GAIA: clearOldAttempts", source: chrome://oobe/login.js (18155)
[843:1115:1115/052545.085587:WARNING:fake_gaia.cc(318)] Serving request /_/embedded/lookup/accountlookup
127.0.0.1 - - [15/Nov/2017 05:25:45] "POST /_/embedded/lookup/accountlookup HTTP/1.1" 200 -
[843:1115:1115/052545.171957:ERROR:fake_gaia.cc(321)] Unhandled request /SAML
127.0.0.1 - - [15/Nov/2017 05:25:45] "GET /SAML?SAMLRequest=fake_request&RelayState=https%3A%2F%2Faccounts.google.com%3A40810%2FDummySAMLContinue HTTP/1.1" 200 -
[843:1115:1115/052545.320020:ERROR:fake_gaia.cc(321)] Unhandled request /SAMLAuth
127.0.0.1 - - [15/Nov/2017 05:25:45] "POST /SAMLAuth HTTP/1.1" 307 -
[843:1115:1115/052545.324791:ERROR:fake_gaia.cc(321)] Unhandled request /favicon.ico
[843:1115:1115/052545.324839:WARNING:embedded_test_server.cc(228)] Request not handled. Returning 404: /favicon.ico
127.0.0.1 - - [15/Nov/2017 05:25:45] "GET /favicon.ico HTTP/1.1" 404 -
[843:1115:1115/052545.403172:WARNING:fake_gaia.cc(318)] Serving request /SSO
127.0.0.1 - - [15/Nov/2017 05:25:45] "POST /SSO?SAMLResponse=fake_response&RelayState=https%3A%2F%2Faccounts.google.com%3A40810%2FDummySAMLContinue HTTP/1.1" 307 -
[843:1115:1115/052545.474698:WARNING:fake_gaia.cc(318)] Serving request /DummySAMLContinue
127.0.0.1 - - [15/Nov/2017 05:25:45] "POST /DummySAMLContinue HTTP/1.1" 200 -
[843:1115:1115/052545.561385:WARNING:fake_gaia.cc(318)] Serving request /oauth2/v4/token
127.0.0.1 - - [15/Nov/2017 05:25:45] "POST /oauth2/v4/token HTTP/1.1" 200 -
[843:1115:1115/052545.639608:WARNING:fake_gaia.cc(318)] Serving request /oauth2/v4/token
127.0.0.1 - - [15/Nov/2017 05:25:45] "POST /oauth2/v4/token HTTP/1.1" 200 -
[843:843:1115/052545.643365:WARNING:device_management_service.cc(289)] DMServer request failed, status: 3, error: -102
[843:843:1115/052545.643461:ERROR:input_events_blocker.cc(21)] Not implemented reached in chromeos::InputEventsBlocker::InputEventsBlocker()
[843:843:1115/052545.649101:ERROR:input_method_manager_impl.cc(1031)] IMEEngine for "fgoepimhcoialccpbmpnnblemnepkkao" is not registered
[843:843:1115/052545.653613:ERROR:input_events_blocker.cc(30)] Not implemented reached in virtual chromeos::InputEventsBlocker::~InputEventsBlocker()
[843:843:1115/052545.694947:INFO:sync_scheduler_impl.cc(133)] Scheduling next sync for CryptAuth Enrollment:
    Strategy: Aggressive Recovery
    Time Delta: 0 seconds
    Previous Failures: 1
[843:843:1115/052545.695012:INFO:tether_service.cc(132)] TetherService has started. Initial user preference value: 1
[843:843:1115/052545.695031:INFO:tether_service.cc(342)] Tether state has changed. New state: [BLE is not present on the device], Old state: [TetherService initializing]
[843:843:1115/052545.695172:ERROR:input_events_blocker.cc(21)] Not implemented reached in chromeos::InputEventsBlocker::InputEventsBlocker()
[843:843:1115/052545.697514:INFO:sync_scheduler_impl.cc(108)] Timer fired for aggressive recovery, making request...
[843:843:1115/052545.697549:INFO:cryptauth_gcm_manager_impl.cc(61)] Beginning GCM registration...
[843:843:1115/052545.697607:INFO:tether_service.cc(342)] Tether state has changed. New state: [no potential Tether hosts], Old state: [BLE is not present on the device]
[843:1021:1115/052545.710936:ERROR:checkin_request.cc(211)] Failed to get checkin response. Fetcher failed. Retrying.
[843:1311:1115/052545.722570:WARNING:syncer_proto_util.cc(338)] Error posting from syncer: Response Code (bogus on error): -1 Content-Length (bogus on error): -1 Server Status: SYNC_AUTH_ERROR
[843:1018:1115/052545.727883:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[843:1018:1115/052545.740910:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[843:1018:1115/052545.760374:WARNING:child_process_launcher_helper_posix.cc(118)] Ignoring invalid file v8_context_snapshot.bin
[843:1021:1115/052545.778187:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[843:843:1115/052545.778777:ERROR:input_events_blocker.cc(30)] Not implemented reached in virtual chromeos::InputEventsBlocker::~InputEventsBlocker()
[843:843:1115/052545.784123:ERROR:layer_tree_host_impl.cc(2505)] Forcing zero-copy tile initialization as worker context is missing
[843:843:1115/052545.817588:ERROR:remote_text_input_client.cc(135)] Not implemented reached in virtual void RemoteTextInputClient::OnInputMethodChanged()
[843:843:1115/052545.817619:ERROR:remote_text_input_client.cc(92)] Not implemented reached in virtual bool RemoteTextInputClient::HasCompositionText() const
[843:843:1115/052545.817630:ERROR:remote_text_input_client.cc(98)] Not implemented reached in virtual bool RemoteTextInputClient::GetTextRange(gfx::Range *) const
[843:843:1115/052545.826085:ERROR:layer_tree_host_impl.cc(2505)] Forcing zero-copy tile initialization as worker context is missing
[843:1021:1115/052545.843096:ERROR:ssl_client_socket_impl.cc(1044)] handshake failed; returned -1, SSL error code 1, net_error -107
[1:10:1115/052545.863643:ERROR:layer_tree_host_impl.cc(2505)] Forcing zero-copy tile initialization as worker context is missing
[1:10:1115/052545.870374:ERROR:layer_tree_host_impl.cc(2505)] Forcing zero-copy tile initialization as worker context is missing
[1:10:1115/052545.879674:ERROR:layer_tree_host_impl.cc(2505)] Forcing zero-copy tile initialization as worker context is missing
[843:1115:1115/052545.949357:WARNING:fake_gaia.cc(318)] Serving request /oauth2/v4/token
127.0.0.1 - - [15/Nov/2017 05:25:45] "POST /oauth2/v4/token HTTP/1.1" 200 -
[843:1115:1115/052545.997911:WARNING:fake_gaia.cc(318)] Serving request /oauth2/v4/token
[843:1115:1115/052545.998065:WARNING:fake_gaia.cc(318)] Serving request /oauth2/v4/token
127.0.0.1 - - [15/Nov/2017 05:25:45] "POST /oauth2/v4/token HTTP/1.1" 200 -
127.0.0.1 - - [15/Nov/2017 05:25:45] "POST /oauth2/v4/token HTTP/1.1" 200 -
[843:1115:1115/052546.014816:WARNING:fake_gaia.cc(318)] Serving request /oauth2/v4/token
127.0.0.1 - - [15/Nov/2017 05:25:46] "POST /oauth2/v4/token HTTP/1.1" 200 -
[843:1115:1115/052546.029315:WARNING:fake_gaia.cc(318)] Serving request /oauth2/v4/token
127.0.0.1 - - [15/Nov/2017 05:25:46] "POST /oauth2/v4/token HTTP/1.1" 200 -
[843:843:1115/052545.882247:FATAL:session_restore_stats_collector.cc(210)] Check failed: 0u < loading_tab_count_ (0 vs. 0)
#0 0x000003bfbb6c base::debug::StackTrace::StackTrace()
#1 0x000003c1598c logging::LogMessage::~LogMessage()
#2 0x0000040f212b SessionRestoreStatsCollector::Observe()
#3 0x0000027484e9 content::NotificationServiceImpl::Notify()
#4 0x0000029358fb content::WebContentsImpl::LoadingStateChanged()
#5 0x00000293c094 content::WebContentsImpl::DidStopLoading()
#6 0x0000025f7e73 content::FrameTreeNode::DidStopLoading()
#7 0x000002629b0b content::RenderFrameHostImpl::OnDidStopLoading()
#8 0x0000026299a6 _ZN3IPC8MessageTI32FrameHostMsg_DidStopLoading_MetaNSt3__15tupleIJEEEvE8DispatchIN7content19RenderFrameHostImplES8_vMS8_FvvEEEbPKNS_7MessageEPT_PT0_PT1_T2_
#9 0x000002620df4 content::RenderFrameHostImpl::OnMessageReceived()
#10 0x0000027ff8ae content::RenderProcessHostImpl::OnMessageReceived()
#11 0x000004f04a61 IPC::ChannelProxy::Context::OnDispatchMessage()
#12 0x000000fd6c4b _ZN4base8internal7InvokerINS0_9BindStateIMN10extensions12_GLOBAL__N_122TestNavigationListenerEFvRK4GURLEJ13scoped_refptrIS5_ES6_EEEFvvEE7RunOnceEPNS0_13BindStateBaseE
#13 0x000003bfc325 base::debug::TaskAnnotator::RunTask()
#14 0x000003cb28c9 base::internal::IncomingTaskQueue::RunTask()
#15 0x000003c1d408 base::MessageLoop::RunTask()
#16 0x000003c1d76a base::MessageLoop::DeferOrRunPendingTask()
#17 0x000003c1d9f6 base::MessageLoop::DoWork()
#18 0x000003c1fa89 base::MessagePumpLibevent::Run()
#19 0x000003c1cd59 base::MessageLoop::Run()
#20 0x000003c46878 base::RunLoop::Run()
#21 0x00000426ba36 content::MessageLoopRunner::Run()
#22 0x00000426bf75 content::WindowedNotificationObserver::Wait()
#23 0x000001375739 chromeos::SAMLPolicyTest::LogInWithSAML()
#24 0x000001377279 chromeos::SAMLPolicyTest_TransferCookiesAffiliated_Test::RunTestOnMainThread()
#25 0x00000422e9e3 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop()
#26 0x000003d2c935 ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#27 0x000003d2b75d ChromeBrowserMainParts::PreMainMessageLoopRun()
#28 0x0000017e3b8c chromeos::ChromeBrowserMainPartsChromeos::PreMainMessageLoopRun()
#29 0x0000024d1b51 content::BrowserMainLoop::PreMainMessageLoopRun()
#30 0x000002903755 content::StartupTaskRunner::RunAllTasksNow()
#31 0x0000024cffdf content::BrowserMainLoop::CreateStartupTasks()
#32 0x0000024d50e8 content::BrowserMainRunnerImpl::Initialize()
#33 0x0000024cdb22 content::BrowserMain()
#34 0x000003bdd651 content::ContentMainRunnerImpl::Run()
#35 0x000005b84b4b service_manager::Main()
#36 0x000003bdc034 content::ContentMain()
#37 0x00000422e655 content::BrowserTestBase::SetUp()
#38 0x000003ce6779 InProcessBrowserTest::SetUp()
#39 0x0000013af651 chromeos::OobeBaseTest::SetUp()
#40 0x000001b4a161 testing::Test::Run()

I'm going to disable it on FYI for now.