Intermittent UI test failure - verifyAboutFirefoxPreview

[sv-ohorvath]

Firebase Test Run:

Flaky test, 1/2 tries:
https://console.firebase.google.com/u/0/project/moz-fenix/testlab/histories/bh.66b7091e15d53d45/matrices/6129090638534714506/executions/bs.d115dbf271ae48bd/testcases/2/test-cases

Stacktrace:

androidx.test.espresso.NoMatchingViewException: No views in hierarchy found matching: (with id: org.mozilla.fenix.debug:id/menuButton) View Hierarchy: +>DecorView{id=-1, visibility=VISIBLE, width=1080, height=1920, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params={(0,0)(fillxfill) gr=CENTER sim={adjust=pan} ty=APPLICATION fmt=TRANSPARENT wanim=0x7f140008 fl=DIM_BEHIND LAYOUT_IN_SCREEN LAYOUT_INSET_DECOR HARDWARE_ACCELERATED DRAWS_SYSTEM_BAR_BACKGROUNDS pfl=FORCE_DRAW_STATUS_BAR_BACKGROUND}, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=2} | +->LinearLayout{id=-1, visibility=VISIBLE, width=1080, height=1788, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=android.widget.FrameLayout$LayoutParams@26b05f9, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=2} | +-->ViewStub{id=16908682, res-name=action_mode_bar_stub, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=false, layout-params=android.widget.LinearLayout$LayoutParams@af9993e, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0} | +-->FrameLayout{id=16908290, res-name=content, visibility=VISIBLE, width=1080, height=1722, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=android.widget.LinearLayout$LayoutParams@ceb539f, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=66.0, child-count=1} | +--->CoordinatorLayout{id=2131362909, res-name=tabLayout, visibility=VISIBLE, width=1080, height=1722, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, layout-params=android.widget.FrameLayout$LayoutParams@fa73cec, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=2} | +---->ExtendedFloatingActionButton{id=2131362610, res-name=new_tab_button, desc=Add tab, visibility=VISIBLE, width=176, height=176, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, layout-params=androidx.coordinatorlayout.widget.CoordinatorLayout$LayoutParams@94d08b5, tag=null, root-is-layout-requested=false, has-input-connection=false, x=860.0, y=1502.0, text=Private, input-type=0, ime-target=false, has-links=false, is-checked=false} | +---->ConstraintLayout{id=2131362927, res-name=tab_wrapper, visibility=VISIBLE, width=1080, height=1722, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=androidx.coordinatorlayout.widget.CoordinatorLayout$LayoutParams@83b8abb, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=607.0, child-count=6} | +----->View{id=2131362358, res-name=handle, visibility=VISIBLE, width=108, height=8, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@d413bd8, tag=null, root-is-layout-requested=false, has-input-connection=false, x=486.0, y=22.0} | +----->ConstraintLayout{id=2131362396, res-name=infoBanner, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@6127b31, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=0} | +----->AppCompatTextView{id=2131362922, res-name=tab_tray_empty_view, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=true, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@4d9216, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, text=Your open tabs will be shown here., input-type=0, ime-target=false, has-links=false} | +----->ConstraintLayout{id=2131362987, res-name=topBar, visibility=VISIBLE, width=1080, height=221, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@3129633, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=30.0, child-count=6} | +------>AppCompatImageButton{id=2131362310, res-name=exit_multi_select, desc=Exit multiselect mode, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=true, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@71fadf0, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0} | +------>AppCompatTextView{id=2131362599, res-name=multiselect_title, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@71c5f69, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, text=, input-type=0, ime-target=false, has-links=false} | +------>AppCompatTextView{id=2131362146, res-name=collect_multi_select, desc=Save selected tabs to collection, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@5ccdee, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, text=Save, input-type=0, ime-target=false, has-links=false} | +------>TabLayout{id=2131362916, res-name=tab_layout, visibility=VISIBLE, width=540, height=221, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@256628f, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=1} | +------->SlidingTabIndicator{id=-1, visibility=VISIBLE, width=540, height=221, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=android.widget.FrameLayout$LayoutParams@a69b91c, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=2} | +-------->TabView{id=-1, desc=1 open tab. Tap to switch tabs., visibility=VISIBLE, width=270, height=221, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=true, layout-params=android.widget.LinearLayout$LayoutParams@a6098ab, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=3} | +--------->AppCompatImageView{id=-1, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=true, layout-params=android.widget.LinearLayout$LayoutParams@8e74b08, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0} | +--------->AppCompatTextView{id=-1, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=true, layout-params=android.widget.LinearLayout$LayoutParams@38792a1, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, text=, input-type=0, ime-target=false, has-links=false} | +--------->FrameLayout{id=2131362176, res-name=counter_root, visibility=VISIBLE, width=66, height=66, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=true, layout-params=android.widget.LinearLayout$LayoutParams@8ecacc6, tag=null, root-is-layout-requested=false, has-input-connection=false, x=102.0, y=77.0, child-count=2} | +---------->AppCompatImageView{id=2131362175, res-name=counter_box, visibility=VISIBLE, width=66, height=66, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=true, layout-params=android.widget.FrameLayout$LayoutParams@8e1487, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0} | +---------->AppCompatTextView{id=2131362177, res-name=counter_text, visibility=VISIBLE, width=19, height=44, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=true, layout-params=android.widget.FrameLayout$LayoutParams@e2a0fb4, tag=null, root-is-layout-requested=false, has-input-connection=false, x=23.0, y=11.0, text=1, input-type=0, ime-target=false, has-links=false} | +-------->TabView{id=-1, desc=Private tabs, visibility=VISIBLE, width=270, height=221, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, layout-params=android.widget.LinearLayout$LayoutParams@876cf52, tag=null, root-is-layout-requested=false, has-input-connection=false, x=270.0, y=0.0, child-count=2} | +--------->AppCompatImageView{id=-1, visibility=VISIBLE, width=66, height=66, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=android.widget.LinearLayout$LayoutParams@92d7223, tag=null, root-is-layout-requested=false, has-input-connection=false, x=102.0, y=77.0} | +--------->AppCompatTextView{id=-1, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=false, layout-params=android.widget.LinearLayout$LayoutParams@b327320, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, text=, input-type=0, ime-target=false, has-links=false} | +------>AppCompatImageButton{id=2131362923, res-name=tab_tray_new_tab, desc=Add tab, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=true, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@e4ef4d9, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0} | +------>AppCompatImageButton{id=2131362924, res-name=tab_tray_overflow, desc=Open tabs menu, visibility=VISIBLE, width=132, height=132, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@f0e8e9e, tag=null, root-is-layout-requested=false, has-input-connection=false, x=948.0, y=45.0} | +----->View{id=2131362252, res-name=divider, visibility=VISIBLE, width=1080, height=3, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@4db0d7f, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=251.0} | +----->RecyclerView{id=2131362929, res-name=tabsTray, visibility=VISIBLE, width=1080, height=1468, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@e9ba14c, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=254.0, child-count=2} | +------>MaterialButton{id=-1, visibility=VISIBLE, width=1036, height=132, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, layout-params=androidx.recyclerview.widget.RecyclerView$LayoutParams@310595, tag=null, root-is-layout-requested=false, has-input-connection=false, x=22.0, y=265.0, text=Save to collection, input-type=0, ime-target=false, has-links=false, is-checked=false} | +------>ConstraintLayout{id=2131362915, res-name=tab_item, visibility=VISIBLE, width=1080, height=243, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, layout-params=androidx.recyclerview.widget.RecyclerView$LayoutParams@79d029b, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=5} | +------->AppCompatImageButton{id=2131362674, res-name=play_pause_button, desc=Pause, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=true, is-enabled=false, is-focused=false, is-focusable=true, is-layout-requested=true, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@3878638, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0} | +------->CardView{id=2131362536, res-name=mozac_browser_tabstray_card, visibility=VISIBLE, width=254, height=190, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@c9fd376, tag=null, root-is-layout-requested=false, has-input-connection=false, x=44.0, y=22.0, child-count=3} | +-------->AppCompatImageView{id=2131362209, res-name=default_tab_thumbnail, visibility=VISIBLE, width=254, height=190, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=android.widget.FrameLayout$LayoutParams@5bf2d77, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0} | +-------->TabThumbnailView{id=2131362540, res-name=mozac_browser_tabstray_thumbnail, desc=Open Tab, visibility=VISIBLE, width=254, height=190, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=android.widget.FrameLayout$LayoutParams@34acde4, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0} | +-------->FrameLayout{id=2131362810, res-name=selected_mask, visibility=GONE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=false, layout-params=android.widget.FrameLayout$LayoutParams@fadb102, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0, child-count=1} | +--------->AppCompatImageView{id=2131362122, res-name=checkmark, desc=Selected, visibility=VISIBLE, width=0, height=0, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=true, is-selected=false, layout-params=android.widget.FrameLayout$LayoutParams@26f2a13, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=0.0} | +------->AppCompatTextView{id=2131362541, res-name=mozac_browser_tabstray_title, visibility=VISIBLE, width=650, height=120, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@5d8e450, tag=null, root-is-layout-requested=false, has-input-connection=false, x=298.0, y=0.0, text=https://support.mozilla.org/en-US/products/mobile?as=u&utm_source=inproduct, input-type=0, ime-target=false, has-links=false} | +------->AppCompatTextView{id=2131362542, res-name=mozac_browser_tabstray_url, visibility=VISIBLE, width=650, height=53, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@8c9c649, tag=null, root-is-layout-requested=false, has-input-connection=false, x=298.0, y=120.0, text=support.mozilla.org, input-type=0, ime-target=false, has-links=false} | +------->AppCompatImageButton{id=2131362537, res-name=mozac_browser_tabstray_close, desc=Close tab , visibility=VISIBLE, width=132, height=243, has-focus=false, has-focusable=true, has-window-focus=true, is-clickable=true, is-enabled=true, is-focused=false, is-focusable=true, is-layout-requested=false, is-selected=false, layout-params=androidx.constraintlayout.widget.ConstraintLayout$LayoutParams@dc9db4e, tag=null, root-is-layout-requested=false, has-input-connection=false, x=948.0, y=0.0} | +->View{id=16908336, res-name=navigationBarBackground, visibility=VISIBLE, width=1080, height=132, has-focus=false, has-focusable=false, has-window-focus=true, is-clickable=false, is-enabled=true, is-focused=false, is-focusable=false, is-layout-requested=false, is-selected=false, layout-params=android.widget.FrameLayout$LayoutParams@c18546f, tag=null, root-is-layout-requested=false, has-input-connection=false, x=0.0, y=1788.0} | at dalvik.system.VMStack.getThreadStackTrace(Native Method) at java.lang.Thread.getStackTrace(Thread.java:1538) at androidx.test.espresso.base.DefaultFailureHandler.getUserFriendlyError(DefaultFailureHandler.java:16) at androidx.test.espresso.base.DefaultFailureHandler.handle(DefaultFailureHandler.java:36) at androidx.test.espresso.ViewInteraction.waitForAndHandleInteractionResults(ViewInteraction.java:106) at androidx.test.espresso.ViewInteraction.desugaredPerform(ViewInteraction.java:43) at androidx.test.espresso.ViewInteraction.perform(ViewInteraction.java:94) at org.mozilla.fenix.ui.robots.HomeScreenRobot$Transition.openThreeDotMenu(HomeScreenRobot.kt:368) at org.mozilla.fenix.ui.robots.SettingsSubMenuAboutRobotKt.navigateBackToAboutPage(SettingsSubMenuAboutRobot.kt:73) at org.mozilla.fenix.ui.robots.SettingsSubMenuAboutRobotKt.verifyListElements(SettingsSubMenuAboutRobot.kt:83) at org.mozilla.fenix.ui.robots.SettingsSubMenuAboutRobotKt.assertFirefoxPreviewPage(SettingsSubMenuAboutRobot.kt:63) at org.mozilla.fenix.ui.robots.SettingsSubMenuAboutRobotKt.access$assertFirefoxPreviewPage(SettingsSubMenuAboutRobot.kt:1) at org.mozilla.fenix.ui.robots.SettingsSubMenuAboutRobot.verifyAboutFirefoxPreview(SettingsSubMenuAboutRobot.kt:45)

Build:

10/12/20

┆Issue is synchronized with this Jira Task

[sv-ohorvath]

Failed on 2 commits 2/2, on 11/3, but the error is different this time:
androidx.test.espresso.PerformException: Error performing 'single click' on view 'with text: is "About Firefox Preview"'.

https://console.firebase.google.com/project/moz-fenix/testlab/histories/bh.66b7091e15d53d45/matrices/8183125839606248686/executions/bs.6fbe87b199f0075b/testcases/2/test-cases

https://console.firebase.google.com/project/moz-fenix/testlab/histories/bh.66b7091e15d53d45/matrices/6149550211770242246/executions/bs.8c93f6c43ae4c978/testcases/2/test-cases