See

https://uberchromegw.corp.google.com/i/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%28dbg%29%281%29/builds/17228

https://uberchromegw.corp.google.com/i/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%28dbg%29%281%29/builds/17222


Sample logs:

SecurityStyleChangedTest.SecurityStyleChangedObserverGoBack (run #1):
[ RUN      ] SecurityStyleChangedTest.SecurityStyleChangedObserverGoBack
[17812:17812:0817/050738:WARNING:chrome_browser_main_chromeos.cc(332)] Running as stub user with profile dir: test-user
[17812:17812:0817/050739:WARNING:audio_manager.cc(317)] Multiple instances of AudioManager detected
[17812:17812:0817/050739:WARNING:audio_manager.cc(278)] Multiple instances of AudioManager detected
[17812:17812:0817/050739:ERROR:logging_chrome.cc(173)] Unable to create symlink /tmp/.org.chromium.Chromium.evFBZ0/dVn7KzX/test-user/chrome_debug.log pointing at /tmp/.org.chromium.Chromium.evFBZ0/dVn7KzX/test-user/chrome_debug_20160817-050739.log: No such file or directory
Xlib:  extension "RANDR" missing on display ":9".
[17812:17994:0817/050739:WARNING:local_extension_cache.cc(259)] Extensions will not be installed from update URLs until /tmp/.org.chromium.Chromium.evFBZ0/dVn7KzX/stub_device_local_extension_cache/.initialized exists.
[17812:17964:0817/050740:WARNING:freezer_cgroup_process_manager.cc(59)] Cgroup freezer does not exist or is not writable. Unable to freeze renderer processes.
[17976:17976:0817/050740:ERROR:interface_registry.cc(100)] Failed to locate a binder for interface: mojom::ResourceUsageReporter
[17812:18022:0817/050741:WARNING:simple_synchronous_entry.cc(1054)] Could not open platform files for entry.
[17812:18014:0817/050741:WARNING:embedded_test_server.cc(202)] Request not handled. Returning 404: /favicon.ico
[17812:17953:0817/050741:ERROR:cert_verify_proc_nss.cc(942)] CERT_PKIXVerifyCert for www.example_broken.test failed err=-8181
[1:1:0817/050742:ERROR:render_process_impl.cc(109)] WebFrame LEAKED 1 TIMES
[17812:18015:0817/050742:WARNING:embedded_test_server.cc(202)] Request not handled. Returning 404: /favicon.ico
[1:1:0817/050742:ERROR:render_process_impl.cc(109)] WebFrame LEAKED 1 TIMES
../../chrome/browser/ssl/chrome_security_state_model_client_browser_tests.cc:1060: Failure
Value of: observer.latest_security_style()
  Actual: 1
Expected: content::SECURITY_STYLE_AUTHENTICATED
Which is: 4
[17812:17812:0817/050743:WARNING:url_request_context_getter.cc(43)] URLRequestContextGetter leaking due to no owning thread.
[17812:17812:0817/050743:WARNING:url_request_context_getter.cc(43)] URLRequestContextGetter leaking due to no owning thread.
[  FAILED  ] SecurityStyleChangedTest.SecurityStyleChangedObserverGoBack, where TypeParam =  and GetParam() =  (6628 ms)