Intermittent TIMEOUT in /html/semantics/embedded-content/media-elements/audio_loop_base.html #41122

Stable unexpected results (1): 
  ▶ TIMEOUT [expected OK] /html/semantics/embedded-content/media-elements/audio_loop_base.html
  │ 
  │ 
  │ (servo:17043): GLib-GObject-WARNING **: 01:00:24.014: ../../../gobject/gsignal.c:2765: instance '0x7f2f1438b000' has no handler with id '32'
  │ ALSA lib confmisc.c:855:(parse_card) cannot find card '0'
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory
  │ ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
  │ ALSA lib confmisc.c:1334:(snd_func_refer) error evaluating name
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  │ ALSA lib conf.c:5701:(snd_config_expand) Evaluate error: No such file or directory
  │ ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM default
  │ AL lib: (EE) ALCplaybackAlsa_open: Could not open playback device 'default': No such file or directory
  │ Cannot connect to server socket err = No such file or directory
  │ Cannot connect to server request channel
  │ jack server is not running or cannot be started
  │ JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
  │ JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock
  │ ALSA lib confmisc.c:855:(parse_card) cannot find card '0'
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_card_inum returned error: No such file or directory
  │ ALSA lib confmisc.c:422:(snd_func_concat) error evaluating strings
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
  │ ALSA lib confmisc.c:1334:(snd_func_refer) error evaluating name
  │ ALSA lib conf.c:5178:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
  │ ALSA lib conf.c:5701:(snd_config_expand) Evaluate error: No such file or directory
  │ ALSA lib pcm.c:2664:(snd_pcm_open_noupdate) Unknown PCM default
  │ AL lib: (EE) ALCplaybackAlsa_open: Could not open playback device 'default': No such file or directory
  └   ▶ NOTRUN [expected PASS] Check if audio.loop is set to true that expecting the seeking event is fired more than once