This came up on a CQ dry run. I'm not 100% sure about this because another component (telemetry_unittests) also failed during the same run.

It looks to me like there are tons of failures in this run, so I suspect an infra issue unrelated to that one.

https://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_rel_ng/builds/332715

15:57:11.325 9114 worker/0 starting
15:57:11.329 9114 worker/0 fast/forms/select/listbox-appearance-basic.html started
15:57:12.169 9114 worker/0 fast/forms/select/listbox-appearance-basic.html output stderr lines:
15:57:12.169 9114   [5341:5341:1107/155711:6278924499:WARNING:audio_manager.cc(317)] Multiple instances of AudioManager detected
15:57:12.169 9114   [5341:5341:1107/155711:6278924552:WARNING:audio_manager.cc(278)] Multiple instances of AudioManager detected
15:57:12.169 9114   Xlib:  extension "RANDR" missing on display ":9".
15:57:12.169 9114   Xlib:  extension "RANDR" missing on display ":9".
15:57:12.238 9114 "/b/c/b/linux/src/out/Release/image_diff --diff /tmp/tmphHjmqm/actual.png /tmp/tmphHjmqm/expected.png /tmp/tmphHjmqm/diff.png" took 0.07s
15:57:12.239 9114 [1/1] fast/forms/select/listbox-appearance-basic.html failed unexpectedly (image diff)
15:57:12.239 9114 worker/0 fast/forms/select/listbox-appearance-basic.html failed:
15:57:12.239 9114 worker/0  image diff