There are failures on the linux-chromeos-rel bot like this one:
https://logs.chromium.org/logs/chromium/buildbucket/cr-buildbucket.appspot.com/8939345574658907248/+/steps/mash_browser_tests/0/logs/ArcVoiceInteractionArcHomeServiceTest.VoiceInteractionStructureMultipleSelectionTest/0

We get this output:
[4606:4606:0801/183845.603888:ERROR:layer_tree_host_impl.cc(2997)] Forcing zero-copy tile initialization as worker context is missing
[4606:4606:0801/183845.605170:ERROR:remote_text_input_client.cc(139)] Not implemented reached in virtual void RemoteTextInputClient::OnInputMethodChanged()
[4606:4606:0801/183845.605195:ERROR:remote_text_input_client.cc(96)] Not implemented reached in virtual ui::TextInputClient::FocusReason RemoteTextInputClient::GetFocusReason() const
[4606:4606:0801/183845.605203:ERROR:remote_text_input_client.cc(181)] Not implemented reached in virtual bool RemoteTextInputClient::ShouldDoLearning()
[4606:4606:0801/183845.605221:ERROR:remote_text_input_client.cc(90)] Not implemented reached in virtual bool RemoteTextInputClient::HasCompositionText() const
[4606:4606:0801/183845.605229:ERROR:remote_text_input_client.cc(102)] Not implemented reached in virtual bool RemoteTextInputClient::GetTextRange(gfx::Range *) const
[4606:4606:0801/183845.605238:ERROR:remote_text_input_client.cc(157)] Not implemented reached in virtual void RemoteTextInputClient::EnsureCaretNotInRect(const gfx::Rect &)
[4606:4606:0801/183845.627805:ERROR:layer_tree_host_impl.cc(2997)] Forcing zero-copy tile initialization as worker context is missing
[4606:4606:0801/183845.635321:ERROR:render_widget_host_view_aura.cc(1231)] Not implemented reached in virtual base::i18n::TextDirection content::RenderWidgetHostViewAura::GetTextDirection() const
[1:8:0801/183845.675017:ERROR:layer_tree_host_impl.cc(2997)] Forcing zero-copy tile initialization as worker context is missing
../../chrome/browser/chromeos/arc/voice_interaction/arc_voice_interaction_arc_home_service_browsertest.cc:170: Failure
Expected equality of these values:
  gfx::Range(1, 3)
    Which is: {1,3}
  grand_child1->selection
    Which is: 12-byte object <00-00 00-00 00-00 00-00 00-00 00-00>