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FullscreenTestCase/testSmallWidePDFScroll fails flakily on os_chrome_ui_egtests (iPhone X iOS 11.4)

Project Member Reported by sheriff-...@appspot.gserviceaccount.com, Sep 28

Issue description

FullscreenTestCase/testSmallWidePDFScroll fails flakily on os_chrome_ui_egtests (iPhone X iOS 11.4) 

Bot: https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/ios-simulator-full-configs
Sample failed build: https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/ios-simulator-full-configs/9606

FullscreenTestCase/testSmallWidePDFScroll:
  ../../ios/chrome/test/earl_grey/chrome_earl_grey_ui.mm:203: error: -[FullscreenTestCase testSmallWidePDFScroll] : Exception: AssertionFailedException
  Exception Name: AssertionFailedException
  Exception Reason: ((base::test::ios::WaitUntilConditionOrTimeout( kWaitForToolbarAnimationTimeout, condition)) is true) failed
  Exception Details: Toolbar was visible
  Bundle ID: org.chromium.gtest.generic-unit-test
  Stack Trace: (
  	0   EarlGrey                            0x000000011b0dd119 -[GREYDefaultFailureHandler handleException:details:] + 1305
  	1   ios_chrome_ui_egtests               0x000000010b0417e0 +[ChromeEarlGreyUI waitForToolbarVisible:] + 1952
  	2   ios_chrome_ui_egtests               0x000000010b10b26c -[FullscreenTestCase testSmallWidePDFScroll] + 1484
  	3   CoreFoundation                      0x00000001190efccc __invoking___ + 140
  	4   CoreFoundation                      0x00000001190efb84 -[NSInvocation invoke] + 308
  	5   EarlGrey                            0x000000011b0c00c8 -[GREYTestCaseInvocation invoke] + 104
  	6   XCTest                              0x000000011a545b6e __24-[XCTestCase invokeTest]_block_invoke.192 + 78
  	7   XCTest                              0x000000011a59d2e8 -[XCTestCase(Failures) performFailableBlock:testCaseRun:shouldInterruptTest:] + 57
  	8   XCTest                              0x000000011a59d205 -[XCTestCase(Failures) _performTurningExceptionsIntoFailuresInterruptAfterHandling:block:] + 96
  	9   XCTest                              0x000000011a54582f __24-[XCTestCase invokeTest]_block_invoke + 848
  	10  XCTest                              0x000000011a5a31ee -[XCUITestContext performInScope:] + 248
  	11  XCTest                              0x000000011a545424 -[XCTestCase testContextPerformInScope:] + 98
  	12  XCTest                              0x000000011a5454d2 -[XCTestCase invokeTest] + 137
  	13  EarlGrey                            0x000000011b0b0c67 -[XCTestCase(GREYAdditions) grey_invokeTest] + 1079
  	14  XCTest                              0x000000011a54700d __26-[XCTestCase performTest:]_block_invoke_2 + 43
  	15  XCTest                              0x000000011a59d2e8 -[XCTestCase(Failures) performFailableBlock:testCaseRun:shouldInterruptTest:] + 57
  	16  XCTest                              0x000000011a59d205 -[XCTestCase(Failures) _performTurningExceptionsIntoFailuresInterruptAfterHandling:block:] + 96
  	17  XCTest                              0x000000011a546f24 __26-[XCTestCase performTest:]_block_invoke.326 + 88
  	18  XCTest                              0x000000011a5ada3b +[XCTContext runInContextForTestCase:block:] + 225
  	19  XCTest                              0x000000011a546653 -[XCTestCase performTest:] + 675
  	20  XCTest                              0x000000011a589802 -[XCTest runTest] + 57
  	21  XCTest                              0x000000011a54185b __27-[XCTestSuite performTest:]_block_invoke + 365
  	22  XCTest                              0x000000011a541033 -[XCTestSuite _performProtectedSectionForTest:testSection:] + 55
  	23  XCTest                              0x000000011a5412f6 -[XCTestSuite performTest:] + 296
  	24  XCTest                              0x000000011a589802 -[XCTest runTest] + 57
  	25  XCTest                              0x000000011a54185b __27-[XCTestSuite performTest:]_block_invoke + 365
  	26  XCTest                              0x000000011a541033 -[XCTestSuite _performProtectedSectionForTest:testSection:] + 55
  	27  XCTest                              0x000000011a5412f6 -[XCTestSuite performTest:] + 296
  	28  XCTest                              0x000000011a589802 -[XCTest runTest] + 57
  	29  XCTest                              0x000000011a54185b __27-[XCTestSuite performTest:]_block_invoke + 365
  	30  XCTest                              0x000000011a541033 -[XCTestSuite _performProtectedSectionForTest:testSection:] + 55
  	31  XCTest                              0x000000011a5412f6 -[XCTestSuite performTest:] + 296
  	32  XCTest                              0x000000011a589802 -[XCTest runTest] + 57
  	33  XCTest                              0x000000011a5b7ea6 __44-[XCTTestRunSession runTestsAndReturnError:]_block_invoke + 171
  	34  XCTest                              0x000000011a5b7fc7 __44-[XCTTestRunSession runTestsAndReturnError:]_block_invoke.80 + 68
  	35  XCTest                              0x000000011a55986a -[XCTestObservationCenter _observeTestExecutionForBlock:] + 594
  	36  XCTest                              0x000000011a5b7c1a -[XCTTestRunSession runTestsAndReturnError:] + 623
  	37  XCTest                              0x000000011a52625a -[XCTestDriver runTestsAndReturnError:] + 422
  	38  XCTest                              0x000000011a5a9fbd _XCTestMain + 1478
  	39  libXCTestBundleInject.dylib         0x0000000116ea7bb8 __copy_helper_block_ + 0
  	40  CoreFoundation                      0x000000011910eb0c __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
  	41  CoreFoundation                      0x00000001190f32db __CFRunLoopDoBlocks + 331
  	42  CoreFoundation                      0x00000001190f2a84 __CFRunLoopRun + 1284
  	43  CoreFoundation                      0x00000001190f230b CFRunLoopRunSpecific + 635
  	44  GraphicsServices                    0x000000011f519a73 GSEventRunModal + 62
  	45  UIKit                               0x0000000116edd057 UIApplicationMain + 159
  	46  ios_chrome_ui_egtests               0x0000000108beeb13 _ZN12_GLOBAL__N_120RunUIApplicationMainEiPPc + 355
  	47  ios_chrome_ui_egtests               0x0000000108bee5e1 main + 417
  	48  libdyld.dylib                       0x000000012092c955 start + 1
  	49  ???                                 0x0000000000000005 0x0 + 5
  )
  Screenshots: {
    "Screenshot At Failure":  "/Users/chrome-bot/Library/Developer/CoreSimulator/Devices/3ACB0D1D-C07E-489F-8F56-2688E53BD063/data/Containers/Data/Application/C6F1E80B-F836-4EDD-99F5-5C9CFF7B4EC5/Documents/FullscreenTestCase_testSmallWidePDFScroll-AssertionFailedException-18725C13-311B-4C0B-B540-BA437B5B5111/FullscreenTestCase_testSmallWidePDFScroll.png",
    "Visibility Checker Most Recent Before Image":  "/Users/chrome-bot/Library/Developer/CoreSimulator/Devices/3ACB0D1D-C07E-489F-8F56-2688E53BD063/data/Containers/Data/Application/C6F1E80B-F836-4EDD-99F5-5C9CFF7B4EC5/Documents/FullscreenTestCase_testSmallWidePDFScroll-AssertionFailedException-18725C13-311B-4C0B-B540-BA437B5B5111/FullscreenTestCase_testSmallWidePDFScroll_before.png",
    "Visibility Checker Most Recent Expected After Image":  "/Users/chrome-bot/Library/Developer/CoreSimulator/Devices/3ACB0D1D-C07E-489F-8F56-2688E53BD063/data/Containers/Data/Application/C6F1E80B-F836-4EDD-99F5-5C9CFF7B4EC5/Documents/FullscreenTestCase_testSmallWidePDFScroll-AssertionFailedException-18725C13-311B-4C0B-B540-BA437B5B5111/FullscreenTestCase_testSmallWidePDFScroll_after_expected.png",
    "Visibility Checker Most Recent Actual After Image":  "/Users/chrome-bot/Library/Developer/CoreSimulator/Devices/3ACB0D1D-C07E-489F-8F56-2688E53BD063/data/Containers/Data/Application/C6F1E80B-F836-4EDD-99F5-5C9CFF7B4EC5/Documents/FullscreenTestCase_testSmallWidePDFScroll-AssertionFailedException-18725C13-311B-4C0B-B540-BA437B5B5111/FullscreenTestCase_testSmallWidePDFScroll_after_actual.png"
  }
  UI hierarchy (ordered by window level, front to back as rendered):
  Legend: {
    "[AX]":  "Accessibility",
    "[UIE]":  "User Interaction Enabled",
    "[Window 1]":  "Frontmost Window"
  }
  ========== Window 1 ==========
  <UITextEffectsWindow:0x7fac19aea000; AX=N; AX.frame={{0, 0}, {375, 812}}; AX.activationPoint={187.5, 406}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 812}}; opaque; hidden; alpha=1>
  ========== Window 2 ==========
  <UITextEffectsWindow:0x7fac1a870a00; AX=N; AX.frame={{0, 0}, {375, 812}}; AX.activationPoint={187.5, 406}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 812}}; alpha=1>
    |--<UIInputSetContainerView:0x7fac1b700000; AX=N; AX.frame={{0, 0}, {375, 812}}; AX.activationPoint={187.5, 406}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 812}}; opaque; alpha=1>
    |  |--<UIInputSetHostView:0x7fac18c27960; AX=N; AX.frame={{0, 812}, {375, 233}}; AX.activationPoint={187.5, 928.5}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 812}, {375, 233}}; opaque; alpha=1>
  ========== Window 3 ==========
  <ChromeOverlayWindow:0x7fac1b30a4f0; AX=N; AX.frame={{0, 0}, {375, 812}}; AX.activationPoint={187.5, 406}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 812}}; opaque; alpha=1>
    |--<MDCOverlayWindowContainerView:0x7fac18f0aeb0; AX=N; AX.frame={{0, 0}, {375, 812}}; AX.activationPoint={187.5, 406}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 812}}; opaque; hidden; alpha=1>
    |--<UITransitionView:0x7fac18e9d790; AX=N; AX.frame={{0, 0}, {375, 812}}; AX.activationPoint={187.5, 406}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 812}}; opaque; alpha=1>
    |  |--<UIView:0x7fac18e9b800; AX=N; AX.frame={{0, 0}, {375, 812}}; AX.activationPoint={187.5, 406}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 812}}; opaque; alpha=1>
    |  |  |--<UIView:0x7fac18f4ac30; AX=N; AX.frame={{0, 0}, {375, 812}}; AX.activationPoint={187.5, 406}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 812}}; opaque; alpha=1>
    |  |  |  |--<UIView:0x7fac18f5ea10; AX=N; AX.frame={{0, 730}, {375, 82}}; AX.activationPoint={187.5, 771}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 730}, {375, 82}}; opaque; alpha=1>
    |  |  |  |  |--<SecondaryToolbarView:0x7fac1b33d460; AX=N; AX.frame={{0, 730}, {375, 82}}; AX.activationPoint={187.5, 771}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 82}}; opaque; alpha=1>
    |  |  |  |  |  |--<UIVisualEffectView:0x7fac1b33e3c0; AX=N; AX.frame={{0, 730}, {375, 82}}; AX.activationPoint={187.5, 771}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 82}}; opaque; alpha=1>
    |  |  |  |  |  |  |--<_UIVisualEffectContentView:0x7fac1b33e730; AX=N; AX.frame={{0, 730}, {375, 82}}; AX.activationPoint={187.5, 771}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 82}}; opaque; alpha=1>
    |  |  |  |  |  |  |  |--<UIStackView:0x7fac18f5d810; AX=N; AX.frame={{4, 732}, {367, 44}}; AX.activationPoint={187.5, 754}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{4, 2}, {367, 44}}; opaque; alpha=1>
    |  |  |  |  |  |  |  |  |--<ToolbarToolsMenuButton:0x7fac18f5d4a0; AX=Y; AX.id='kToolbarToolsMenuButtonIdentifier'; AX.label='Menu'; AX.frame={{327, 732}, {44, 44}}; AX.activationPoint={349, 754}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{323, 0}, {44, 44}}; alpha=1>
    |  |  |  |  |  |  |  |  |  |--<UIView:0x7fac18f3ce50; AX=N; AX.frame={{330, 735}, {38, 38}}; AX.activationPoint={349, 754}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{3, 3}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<ToolbarTabGridButton:0x7fac18f5d140; AX=Y; AX.id='kToolbarStackButtonIdentifier'; AX.label='Show Tabs'; AX.value='1'; AX.frame={{252.66666666666663, 732}, {44, 44}}; AX.activationPoint={274.66666666666663, 754}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{248.66666666666663, 0}, {44, 44}}; alpha=1>
    |  |  |  |  |  |  |  |  |  |--<UILabel:0x7fac18cba5a0; AX=Y; AX.label='1'; AX.frame={{267.66666666666663, 747}, {14, 14}}; AX.activationPoint={274.66666666666663, 754}; AX.traits='UIAccessibilityTraitStaticText'; AX.focused='N'; frame={{15.000000000000028, 15}, {14, 14}}; opaque; alpha=1; UIE=N; text='1'>
    |  |  |  |  |  |  |  |  |  |--<UIView:0x7fac18f5a510; AX=N; AX.frame={{255.66666666666663, 735}, {38, 38}}; AX.activationPoint={274.66666666666663, 754}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{3, 3}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18c753d0; AX=N; AX.id='toolbar_switcher'; AX.frame={{260.66666666666663, 740}, {28, 28}}; AX.activationPoint={274.66666666666663, 754}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{8, 8}, {28, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<ToolbarSearchButton:0x7fac18f5cdf0; AX=Y; AX.id='kToolbarOmniboxButtonIdentifier'; AX.label='Search'; AX.frame={{152.66666666666666, 732}, {70, 44}}; AX.activationPoint={187.66666666666666, 754}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{148.66666666666666, 0}, {70, 44}}; alpha=1>
    |  |  |  |  |  |  |  |  |  |--<UIView:0x7fac18f568a0; AX=N; AX.frame={{152.66666666666666, 735}, {70, 38}}; AX.activationPoint={187.66666666666666, 754}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 3}, {70, 38}}; opaque; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18c751a0; AX=N; AX.id='toolbar_search'; AX.frame={{173.66666666666666, 740}, {28, 28}}; AX.activationPoint={187.66666666666666, 754}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{21, 8}, {28, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<ToolbarButton:0x7fac1b33ef90; AX=Y; AX.label='Forward'; AX.frame={{78.333333333333329, 732}, {44, 44}}; AX.activationPoint={100.33333333333333, 754}; AX.traits='UIAccessibilityTraitButton,UIAccessibilityTraitNotEnabled'; AX.focused='N'; frame={{74.333333333333329, 0}, {44, 44}}; alpha=1; disabled>
    |  |  |  |  |  |  |  |  |  |--<UIView:0x7fac1b33f2e0; AX=N; AX.frame={{81.333333333333329, 735}, {38, 38}}; AX.activationPoint={100.33333333333333, 754}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{3, 3}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18c74f70; AX=N; AX.frame={{86.333333333333329, 740}, {28, 28}}; AX.activationPoint={100.33333333333333, 754}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{8, 8}, {28, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<ToolbarButton:0x7fac1b33ea50; AX=Y; AX.label='Back'; AX.frame={{4, 732}, {44, 44}}; AX.activationPoint={26, 754}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, 0}, {44, 44}}; alpha=1>
    |  |  |  |  |  |  |  |  |  |--<UIView:0x7fac1b33eda0; AX=N; AX.frame={{7, 735}, {38, 38}}; AX.activationPoint={26, 754}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{3, 3}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18c74d40; AX=N; AX.frame={{12, 740}, {28, 28}}; AX.activationPoint={26, 754}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{8, 8}, {28, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |--<UIVisualEffectView:0x7fac1b33dac0; AX=N; AX.frame={{0, 730}, {375, 82}}; AX.activationPoint={187.5, 771}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 82}}; opaque; alpha=1>
    |  |  |  |  |  |  |--<_UIVisualEffectSubview:0x7fac1b33e0a0; AX=N; AX.frame={{0, 730}, {375, 82}}; AX.activationPoint={187.5, 771}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 82}}; opaque; alpha=1; UIE=N>
    |  |  |  |  |  |  |--<_UIVisualEffectBackdropView:0x7fac1b33de90; AX=N; AX.frame={{0, 730}, {375, 82}}; AX.activationPoint={187.5, 771}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 82}}; opaque; alpha=1; UIE=N>
    |  |  |  |--<PrimaryToolbarView:0x7fac18c6e270; AX=N; AX.frame={{0, 0}, {375, 92}}; AX.activationPoint={187.5, 46}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 92}}; opaque; alpha=1>
    |  |  |  |  |--<UIButton:0x7fac1b33b240; AX=N; AX.frame={{0, 0}, {375, 92}}; AX.activationPoint={187.5, 46}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, 0}, {375, 92}}; hidden; alpha=1>
    |  |  |  |  |--<ToolbarProgressBar:0x7fac1b339430; AX=Y; AX.value='Page load progress bar, 100% loaded.'; AX.frame={{0, 90}, {375, 2}}; AX.activationPoint={187.5, 91}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 90}, {375, 2}}; opaque; hidden; alpha=1>
    |  |  |  |  |  |--<UIView:0x7fac1b3378a0; AX=N; AX.frame={{0, 92}, {375, 0}}; AX.activationPoint={187.5, 92}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 2}, {375, 0}}; opaque; alpha=1>
    |  |  |  |  |  |--<UIView:0x7fac1b3376b0; AX=N; AX.frame={{0, 92}, {375, 0}}; AX.activationPoint={187.5, 92}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 2}, {375, 0}}; opaque; alpha=1>
    |  |  |  |  |--<UIView:0x7fac1b33b050; AX=N; AX.frame={{8, 50}, {359, 36}}; AX.activationPoint={187.5, 68}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{8, 50}, {359, 36}}; opaque; alpha=1>
    |  |  |  |  |  |--<UIView:0x7fac1b3368d0; AX=N; AX.frame={{8, 50}, {359, 36}}; AX.activationPoint={187.5, 68}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {359, 36}}; opaque; alpha=1>
    |  |  |  |  |  |  |--<LocationBarSteadyView:0x7fac18c629f0; AX=N; AX.frame={{8, 50}, {359, 36}}; AX.activationPoint={187.5, 68}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {359, 36}}; opaque; alpha=1>
    |  |  |  |  |  |  |  |--<LocationBarSteadyButton:0x7fac18c65c50; AX=Y; AX.label='Address and search bar'; AX.value='127.0.0.1:61723'; AX.frame={{8, 50}, {359, 36}}; AX.activationPoint={187.5, 68}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, 0}, {359, 36}}; alpha=1>
    |  |  |  |  |  |  |  |  |--<UIView:0x7fac18c65a60; AX=N; AX.frame={{117.66666666666667, 50}, {139.66666666666663, 36}}; AX.activationPoint={187.5, 68}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{109.66666666666667, 0}, {139.66666666666666, 36}}; opaque; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18c64ed0; AX=Y; AX.id='Page Security Info'; AX.label='Page Security Info'; AX.frame={{117.66666666666667, 58}, {20.000000000000014, 20}}; AX.activationPoint={127.66666666666669, 68}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 8}, {20, 20}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |  |--<UILabel:0x7fac18c63440; AX=Y; AX.label='127.0.0.1:61723'; AX.frame={{141.66666666666666, 50}, {115.66666666666666, 36}}; AX.activationPoint={199.5, 68}; AX.traits='UIAccessibilityTraitStaticText'; AX.focused='N'; frame={{23.999999999999979, 0}, {115.66666666666667, 36}}; opaque; alpha=1; UIE=N; text='127.0.0.1:61723'>
    |  |  |  |  |  |  |  |  |--<ExtendedTouchTargetButton:0x7fac18c65100; AX=Y; AX.label='Share…'; AX.frame={{333, 56}, {24, 24}}; AX.activationPoint={345, 68}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{325, 6}, {24, 24}}; alpha=1>
    |  |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18c7c780; AX=N; AX.id='location_bar_share'; AX.frame={{333, 56}, {24, 24}}; AX.activationPoint={345, 68}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 0}, {24, 24}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |--<ExtendedTouchTargetButton:0x7fac18c65100; AX=Y; AX.label='Share…'; AX.frame={{333, 56}, {24, 24}}; AX.activationPoint={345, 68}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{325, 6}, {24, 24}}; alpha=1>
    |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18c7c780; AX=N; AX.id='location_bar_share'; AX.frame={{333, 56}, {24, 24}}; AX.activationPoint={345, 68}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 0}, {24, 24}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |--<OmniboxContainerView:0x7fac18e4f6e0; AX=N; AX.frame={{8, 50}, {359, 36}}; AX.activationPoint={187.5, 68}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {359, 36}}; opaque; hidden; alpha=1>
    |  |  |  |  |  |  |  |--<OmniboxTextFieldIOS:0x7fac19897a00; AX=N; AX.id='Address'; AX.label='Address and search bar'; AX.value='127.0.0.1:61723/ios/testing/data/http_server_files/single_page_wide.pdf'; AX.frame={{24, 50}, {339, 36}}; AX.activationPoint={193.5, 68}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{16, 0}, {339, 36}}; alpha=1; text='127.0.0.1:61723/ios/testing/data/http_server_files/single_page_wide.pdf'>
    |  |  |  |  |  |  |  |  |--<_UITextFieldContentView:0x7fac18f4d070; AX=N; AX.frame={{24, 50}, {311, 36}}; AX.activationPoint={179.5, 68}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {311, 36}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<UIButton:0x7fac18e53020; AX=N; AX.id='Clear Text'; AX.label='Clear Text'; AX.frame={{335, 54}, {28, 28}}; AX.activationPoint={349, 68}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{311, 4}, {28, 28}}; alpha=1>
    |  |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac1b32af70; AX=N; AX.id='omnibox_clear_icon'; AX.frame={{335, 54}, {28, 28}}; AX.activationPoint={349, 68}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 0}, {28, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<UIAccessibilityTextFieldElement:0x604000656950; AX=Y; AX.label='Address and search bar'; AX.value='127.0.0.1:61723/ios/testing/data/http_server_files/single_page_wide.pdf'; AX.frame={{24, 50}, {339, 36}}; AX.activationPoint={193.5, 68}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'>
    |  |  |  |  |--<UIButton:0x7fac1b33aa30; AX=N; AX.id='kToolbarCancelOmniboxEditButtonIdentifier'; AX.label='Cancel'; AX.frame={{375, 45}, {64, 44}}; AX.activationPoint={407, 67}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{375, 45}, {64, 44}}; hidden; alpha=1>
    |  |  |  |  |  |--<UIButtonLabel:0x7fac1b33ad50; AX=Y; AX.label='Cancel'; AX.frame={{383.33333333333331, 58}, {47.333333333333314, 18}}; AX.activationPoint={407, 67}; AX.traits='UIAccessibilityTraitStaticText'; AX.focused='N'; frame={{8.3333333333333321, 13}, {47.333333333333336, 18}}; alpha=1; UIE=N; text='Cancel'>
    |  |  |  |  |--<UIVisualEffectView:0x7fac18c6f6f0; AX=N; AX.frame={{0, 0}, {375, 92}}; AX.activationPoint={187.5, 46}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 92}}; opaque; alpha=1>
    |  |  |  |  |  |--<_UIVisualEffectContentView:0x7fac18c6ffc0; AX=N; AX.frame={{0, 0}, {375, 92}}; AX.activationPoint={187.5, 46}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 92}}; opaque; alpha=1>
    |  |  |  |  |  |  |--<UIStackView:0x7fac1b33a820; AX=N; AX.frame={{371, 45}, {0, 44}}; AX.activationPoint={371, 67}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{371, 45}, {0, 44}}; opaque; alpha=1>
    |  |  |  |  |  |  |  |--<ToolbarToolsMenuButton:0x7fac1b339940; AX=N; AX.id='kToolbarToolsMenuButtonIdentifier'; AX.label='Menu'; AX.frame={{371, 0}, {0, 44}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, -45}, {0, 44}}; hidden; alpha=1>
    |  |  |  |  |  |  |  |  |--<UIView:0x7fac1b33a0e0; AX=N; AX.frame={{352, 3}, {38, 38}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{-19, 3}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |--<ToolbarTabGridButton:0x7fac1b338eb0; AX=N; AX.id='kToolbarStackButtonIdentifier'; AX.label='Show Tabs'; AX.value='1'; AX.frame={{371, 0}, {0, 44}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, -45}, {0, 44}}; hidden; alpha=1>
    |  |  |  |  |  |  |  |  |--<UILabel:0x7fac18cb7970; AX=Y; AX.label='1'; AX.frame={{364, 15}, {14, 14}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitStaticText'; AX.focused='N'; frame={{-7, 15}, {14, 14}}; opaque; alpha=1; UIE=N; text='1'>
    |  |  |  |  |  |  |  |  |--<UIView:0x7fac1b339640; AX=N; AX.frame={{352, 3}, {38, 38}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{-19, 3}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18e569b0; AX=N; AX.id='toolbar_switcher'; AX.frame={{371, 8}, {0, 28}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 8}, {0, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |--<ToolbarButton:0x7fac1b3385a0; AX=N; AX.id='kToolbarShareButtonIdentifier'; AX.label='Share…'; AX.frame={{371, 0}, {0, 44}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, -45}, {0, 44}}; hidden; alpha=1>
    |  |  |  |  |  |  |  |  |--<UIButtonLabel:0x7fac18c70b00; AX=N; AX.label='Share'; AX.frame={{371, 0}, {0, 0}}; AX.activationPoint={371, 0}; AX.traits='UIAccessibilityTraitStaticText'; AX.focused='N'; frame={{0, 0}, {0, 0}}; hidden; alpha=1; UIE=N; text='Share'>
    |  |  |  |  |  |  |  |  |--<UIView:0x7fac1b3388f0; AX=N; AX.frame={{352, 3}, {38, 38}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{-19, 3}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18e57f30; AX=N; AX.id='toolbar_share'; AX.frame={{371, 8}, {0, 28}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 8}, {0, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |--<ToolbarButton:0x7fac18c71530; AX=N; AX.label='Bookmark this page'; AX.frame={{371, 0}, {0, 44}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, -45}, {0, 44}}; hidden; alpha=1>
    |  |  |  |  |  |  |  |  |--<UIView:0x7fac18c71880; AX=N; AX.frame={{352, 3}, {38, 38}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{-19, 3}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18e57d00; AX=N; AX.id='toolbar_bookmark'; AX.frame={{371, 8}, {0, 28}}; AX.activationPoint={371, 22}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 8}, {0, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |--<UIStackView:0x7fac18e55950; AX=N; AX.frame={{4, 45}, {0, 44}}; AX.activationPoint={4, 67}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{4, 45}, {0, 44}}; opaque; alpha=1>
    |  |  |  |  |  |  |  |--<ToolbarButton:0x7fac18e55410; AX=N; AX.label='Reload'; AX.frame={{4, 5}, {0, 28}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, -40}, {0, 28}}; hidden; alpha=1>
    |  |  |  |  |  |  |  |  |--<UIView:0x7fac18e55760; AX=N; AX.frame={{-15, 0}, {38, 38}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{-19, -5}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18e57060; AX=N; AX.frame={{4, 5}, {0, 28}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 0}, {0, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |--<ToolbarButton:0x7fac18e540a0; AX=N; AX.label='Stop'; AX.frame={{4, 5}, {0, 28}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, -40}, {0, 28}}; hidden; alpha=1>
    |  |  |  |  |  |  |  |  |--<UIView:0x7fac1b337de0; AX=N; AX.frame={{-15, 0}, {38, 38}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{-19, -5}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18e56e30; AX=N; AX.id='toolbar_stop'; AX.frame={{4, 5}, {0, 28}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 0}, {0, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |--<ToolbarButton:0x7fac18c707b0; AX=N; AX.label='Forward'; AX.frame={{4, 5}, {0, 28}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitButton,UIAccessibilityTraitNotEnabled'; AX.focused='N'; frame={{0, -40}, {0, 28}}; hidden; alpha=1; disabled>
    |  |  |  |  |  |  |  |  |--<UIView:0x7fac18e548a0; AX=N; AX.frame={{-15, 0}, {38, 38}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{-19, -5}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18e56780; AX=N; AX.frame={{4, 5}, {0, 28}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 0}, {0, 28}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |--<ToolbarButton:0x7fac1b337360; AX=N; AX.label='Back'; AX.frame={{4, 5}, {0, 28}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, -40}, {0, 28}}; hidden; alpha=1>
    |  |  |  |  |  |  |  |  |--<UIView:0x7fac1b337ae0; AX=N; AX.frame={{-15, 0}, {38, 38}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{-19, -5}, {38, 38}}; opaque; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac1b33f4d0; AX=N; AX.frame={{4, 5}, {0, 28}}; AX.activationPoint={4, 19}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 0}, {0, 28}}; alpha=1; UIE=N>
    |  |  |  |  |--<UIVisualEffectView:0x7fac18c6edb0; AX=N; AX.frame={{0, 0}, {375, 92}}; AX.activationPoint={187.5, 46}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 92}}; opaque; alpha=1>
    |  |  |  |  |  |--<_UIVisualEffectSubview:0x7fac18c6f4e0; AX=N; AX.frame={{0, 0}, {375, 92}}; AX.activationPoint={187.5, 46}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 92}}; opaque; alpha=1; UIE=N>
    |  |  |  |  |  |--<_UIVisualEffectBackdropView:0x7fac18c6f010; AX=N; AX.frame={{0, 0}, {375, 92}}; AX.activationPoint={187.5, 46}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 92}}; opaque; alpha=1; UIE=N>
    |  |  |  |--<InfoBarContainerView:0x7fac18f5e3f0; AX=N; AX.frame={{0, 812}, {375, 0}}; AX.activationPoint={187.5, 812}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 812}, {375, 0}}; opaque; alpha=1>
    |  |  |  |--<UIButton:0x7fac18f4b3e0; AX=N; AX.id='Typing Shield'; AX.label='Cancel'; AX.frame={{0, 44}, {375, 768}}; AX.activationPoint={187.5, 428}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{0, 44}, {375, 768}}; hidden; alpha=1>
    |  |  |  |--<UIView:0x7fac18f4ae20; AX=N; AX.frame={{0, 44}, {375, 768}}; AX.activationPoint={187.5, 428}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 44}, {375, 768}}; opaque; alpha=1>
    |  |  |  |  |--<CRWWebControllerContainerView:0x7fac18fa3620; AX=N; AX.frame={{0, 44}, {375, 768}}; AX.activationPoint={187.5, 428}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 768}}; opaque; alpha=1>
    |  |  |  |  |  |--<OpenInToolbar:0x7fac18fb4fb0; AX=N; AX.frame={{0, 681}, {375, 131}}; AX.activationPoint={187.5, 746.5}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 637}, {375, 131}}; opaque; alpha=1>
    |  |  |  |  |  |  |--<OpenInBottomMargin:0x7fac18fb1000; AX=N; AX.frame={{0, 0}, {0, 82}}; AX.activationPoint={0, 41}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, -681}, {0, 82}}; opaque; alpha=1>
    |  |  |  |  |  |  |--<UIView:0x7fac18fb0e10; AX=N; AX.frame={{0, 681}, {375, 0.66666666666662877}}; AX.activationPoint={187.5, 681.33333333333326}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 0.66666666666666663}}; opaque; alpha=1>
    |  |  |  |  |  |  |--<MDCFlatButton:0x7fac18fb51c0; AX=Y; AX.label='Open in…'; AX.frame={{263, 689}, {96, 33}}; AX.activationPoint={311, 705.5}; AX.traits='UIAccessibilityTraitButton'; AX.focused='N'; frame={{263, 8}, {96, 33}}; alpha=1>
    |  |  |  |  |  |  |  |--<UIButtonLabel:0x7fac18fb7560; AX=Y; AX.label='OPEN IN…'; AX.frame={{279, 697}, {64, 17}}; AX.activationPoint={311, 705.5}; AX.traits='UIAccessibilityTraitStaticText'; AX.focused='N'; frame={{16, 8}, {64, 17}}; alpha=1; UIE=N; text='OPEN IN…'>
    |  |  |  |  |  |  |  |--<UIImageView:0x7fac1b643f20; AX=N; AX.frame={{263, 689}, {0, 0}}; AX.activationPoint={263, 689}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 0}, {0, 0}}; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |--<MDCInkView:0x7fac1b643cf0; AX=N; AX.frame={{263, 689}, {96, 33}}; AX.activationPoint={311, 705.5}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {96, 33}}; opaque; alpha=1; UIE=N>
    |  |  |  |  |  |--<CRWWebViewContentView:0x7fac18f1fc40; AX=N; AX.frame={{0, 44}, {375, 768}}; AX.activationPoint={187.5, 428}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 768}}; opaque; alpha=1>
    |  |  |  |  |  |  |--<WKWebView:0x7fac1ab5a000; AX=N; AX.frame={{0, 44}, {375, 768}}; AX.activationPoint={187.5, 428}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 768}}; opaque; alpha=1>
    |  |  |  |  |  |  |  |--<UIView:0x7fac18e8d450; AX=N; AX.frame={{0, 44}, {375, 638}}; AX.activationPoint={187.5, 363}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 638}}; opaque; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |--<WKPDFPageNumberIndicator:0x7fac1b348aa0; AX=N; AX.frame={{19.999999999999996, 112}, {58.666666666666657, 31.333333333333343}}; AX.activationPoint={49.333333333333329, 127.66666666666667}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{19.999999999999996, 68}, {58.666666666666664, 31.333333333333332}}; opaque; alpha=1>
    |  |  |  |  |  |  |  |  |  |--<UILabel:0x7fac18ec6200; AX=Y; AX.label='1 of 1'; AX.frame={{19.999999999999996, 112}, {58.666666666666657, 31.333333333333343}}; AX.activationPoint={49.333333333333329, 127.66666666666667}; AX.traits='UIAccessibilityTraitStaticText'; AX.focused='N'; frame={{0, 0}, {58.666666666666664, 31.333333333333332}}; alpha=0.4; UIE=N; text='1 of 1'>
    |  |  |  |  |  |  |  |  |  |--<_UIBackdropView:0x7fac18e946f0; AX=N; AX.frame={{19.999999999999996, 112}, {58.666666666666657, 31.333333333333343}}; AX.activationPoint={49.333333333333329, 127.66666666666667}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {58.666666666666664, 31.333333333333332}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |  |  |--<_UIBackdropContentView:0x7fac18e5b8c0; AX=N; AX.frame={{19.999999999999996, 112}, {58.666666666666657, 31.333333333333343}}; AX.activationPoint={49.333333333333329, 127.66666666666667}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {58.666666666666664, 31.333333333333332}}; alpha=1>
    |  |  |  |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18e83450; AX=N; AX.frame={{19.999999999999996, 112}, {58.666666666666657, 31.333333333333343}}; AX.activationPoint={49.333333333333329, 127.66666666666667}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{0, 0}, {58.666666666666664, 31.333333333333332}}; alpha=0; UIE=N>
    |  |  |  |  |  |  |  |  |  |  |--<UIView:0x7fac18e36b30; AX=N; AX.frame={{19.999999999999996, 112}, {58.666666666666657, 31.333333333333343}}; AX.activationPoint={49.333333333333329, 127.66666666666667}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {58.666666666666664, 31.333333333333332}}; hidden; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |  |  |  |--<_UIBackdropEffectView:0x7fac18e59ac0; AX=N; AX.frame={{19.999999999999996, 112}, {58.666666666666657, 31.333333333333343}}; AX.activationPoint={49.333333333333329, 127.66666666666667}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {58.666666666666664, 31.333333333333332}}; alpha=1; UIE=N>
    |  |  |  |  |  |  |  |--<WKScrollView:0x7fac1a972800; AX=N; AX.frame={{0, 44}, {375, 768}}; AX.activationPoint={187.5, 428}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 768}}; opaque; alpha=1>
    |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18f8c060; AX=N; AX.frame={{369.66666666666669, 186.33333333333331}, {2.3333333333333144, 540.66666666666674}}; AX.activationPoint={370.83333333333337, 456.66666666666669}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{369.66666666666669, 224.33333333333331}, {2.3333333333333335, 540.66666666666663}}; alpha=0; UIE=N>
    |  |  |  |  |  |  |  |  |--<UIImageView:0x7fac18f0ecb0; AX=N; AX.frame={{3, 724.66666666666663}, {366.66666666666669, 2.3333333333333712}}; AX.activationPoint={186.33333333333334, 725.83333333333326}; AX.traits='UIAccessibilityTraitImage'; AX.focused='N'; frame={{3, 762.66666666666663}, {366.66666666666669, 2.3333333333333335}}; alpha=0; UIE=N>
    |  |  |  |  |  |  |  |  |--<WKPDFView:0x7fac1985d000; AX=N; AX.frame={{0, -38}, {375, 768}}; AX.activationPoint={187.5, 346}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 768}}; opaque; alpha=1>
    |  |  |  |  |  |  |  |  |  |--<UIPDFPageView:0x7fac18fbc150; AX=N; AX.frame={{8, -30}, {359, 84}}; AX.activationPoint={187.5, 12}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{8, 8}, {359, 84}}; opaque; alpha=1>
    |  |  |  |--<UIView:0x7fac18f4b700; AX=N; AX.frame={{0, 0}, {375, 44}}; AX.activationPoint={187.5, 22}; AX.traits='UIAccessibilityTraitNone'; AX.focused='N'; frame={{0, 0}, {375, 44}}; opaque; alpha=1>

 
Description: Show this description
Cc: -fdoray@google.com sczs@chromium.org
Owner: kkhorimoto@chromium.org
Summary: FullscreenTestCase/testSmallWidePDFScroll fails flakily on os_chrome_ui_egtests (iPhone X iOS 11.4) (was: ios_chrome_ui_egtests (iPhone X iOS 11.4) shard 1 failing on chromium.mac/ios-simulator-full-configs)
Cc: kkhorimoto@chromium.org
 Issue 890389  has been merged into this issue.
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/ios-simulator-full-configs/9791

FullscreenTestCase/testSmallWidePDFScroll:
  ../../ios/chrome/test/earl_grey/chrome_earl_grey_ui.mm:207: error: -[FullscreenTestCase testSmallWidePDFScroll] : Exception: AssertionFailedException
  Exception Name: AssertionFailedException
  Exception Reason: ((base::test::ios::WaitUntilConditionOrTimeout( kWaitForToolbarAnimationTimeout, condition)) is true) failed
  Exception Details: Toolbar was visible
  Bundle ID: org.chromium.gtest.generic-unit-test
  Stack Trace: (
  	0   EarlGrey                            0x000000011fa9a446 -[GREYDefaultFailureHandler handleException:details:] + 1302
  	1   ios_chrome_ui_egtests               0x000000010f83b980 +[ChromeEarlGreyUI waitForToolbarVisible:] + 1952
  	2   ios_chrome_ui_egtests               0x000000010f9087bc -[FullscreenTestCase testSmallWidePDFScroll] + 1484
  	3   CoreFoundation                      0x000000011daacccc __invoking___ + 140
  	4   CoreFoundation                      0x000000011daacb84 -[NSInvocation invoke] + 308
  	5   EarlGrey                            0x000000011fa7d7f8 -[GREYTestCaseInvocation invoke] + 104
  	6   XCTest                              0x000000011ef02b6e __24-[XCTestCase invokeTest]_block_invoke.192 + 78
  	7   XCTest                              0x000000011ef5a2e8 -[XCTestCase(Failures) performFailableBlock:testCaseRun:shouldInterruptTest:] + 57
  	8   XCTest                              0x000000011ef5a205 -[XCTestCase(Failures) _performTurningExceptionsIntoFailuresInterruptAfterHandling:block:] + 96
  	9   XCTest                              0x000000011ef0282f __24-[XCTestCase invokeTest]_block_invoke + 848
  	10  XCTest                              0x000000011ef601ee -[XCUITestContext performInScope:] + 248
  	11  XCTest                              0x000000011ef02424 -[XCTestCase testContextPerformInScope:] + 98
  	12  XCTest                              0x000000011ef024d2 -[XCTestCase invokeTest] + 137
  	13  EarlGrey                            0x000000011fa6e447 -[XCTestCase(GREYAdditions) grey_invokeTest] + 1079
  	14  XCTest                              0x000000011ef0400d __26-[XCTestCase performTest:]_block_invoke_2 + 43
  	15  XCTest                              0x000000011ef5a2e8 -[XCTestCase(Failures) performFailableBlock:testCaseRun:shouldInterruptTest:] + 57
  	16  XCTest                              0x000000011ef5a205 -[XCTestCase(Failures) _performTurningExceptionsIntoFailuresInterruptAfterHandling:block:] + 96
  	17  XCTest                              0x000000011ef03f24 __26-[XCTestCase performTest:]_block_invoke.326 + 88
  	18  XCTest                              0x000000011ef6aa3b +[XCTContext runInContextForTestCase:block:] + 225
  	19  XCTest                              0x000000011ef03653 -[XCTestCase performTest:] + 675
  	20  XCTest                              0x000000011ef46802 -[XCTest runTest] + 57
  	21  XCTest                              0x000000011eefe85b __27-[XCTestSuite performTest:]_block_invoke + 365
  	22  XCTest                              0x000000011eefe033 -[XCTestSuite _performProtectedSectionForTest:testSection:] + 55
  	23  XCTest                              0x000000011eefe2f6 -[XCTestSuite performTest:] + 296
  	24  XCTest                              0x000000011ef46802 -[XCTest runTest] + 57
  	25  XCTest                              0x000000011eefe85b __27-[XCTestSuite performTest:]_block_invoke + 365
  	26  XCTest                              0x000000011eefe033 -[XCTestSuite _performProtectedSectionForTest:testSection:] + 55
  	27  XCTest                              0x000000011eefe2f6 -[XCTestSuite performTest:] + 296
  	28  XCTest                              0x000000011ef46802 -[XCTest runTest] + 57
  	29  XCTest                              0x000000011eefe85b __27-[XCTestSuite performTest:]_block_invoke + 365
  	30  XCTest                              0x000000011eefe033 -[XCTestSuite _performProtectedSectionForTest:testSection:] + 55
  	31  XCTest                              0x000000011eefe2f6 -[XCTestSuite performTest:] + 296
  	32  XCTest                              0x000000011ef46802 -[XCTest runTest] + 57
  	33  XCTest                              0x000000011ef74ea6 __44-[XCTTestRunSession runTestsAndReturnError:]_block_invoke + 171
  	34  XCTest                              0x000000011ef74fc7 __44-[XCTTestRunSession runTestsAndReturnError:]_block_invoke.80 + 68
  	35  XCTest                              0x000000011ef1686a -[XCTestObservationCenter _observeTestExecutionForBlock:] + 594
  	36  XCTest                              0x000000011ef74c1a -[XCTTestRunSession runTestsAndReturnError:] + 623
  	37  XCTest                              0x000000011eee325a -[XCTestDriver runTestsAndReturnError:] + 422
  	38  XCTest                              0x000000011ef66fbd _XCTestMain + 1478
  	39  libXCTestBundleInject.dylib         0x000000011b864bb8 __copy_helper_block_ + 0
  	40  CoreFoundation                      0x000000011dacbb0c __CFRUNLOOP_IS_CALLING_OUT_TO_A_BLOCK__ + 12
  	41  CoreFoundation                      0x000000011dab02db __CFRunLoopDoBlocks + 331
  	42  CoreFoundation                      0x000000011daafa84 __CFRunLoopRun + 1284
  	43  CoreFoundation                      0x000000011daaf30b CFRunLoopRunSpecific + 635
  	44  GraphicsServices                    0x0000000123426a73 GSEventRunModal + 62
  	45  UIKit                               0x000000011b89a057 UIApplicationMain + 159
  	46  ios_chrome_ui_egtests               0x000000010d3ecb73 _ZN12_GLOBAL__N_120RunUIApplicationMainEiPPc + 355
  	47  ios_chrome_ui_egtests               0x000000010d3ec641 main + 417
  	48  libdyld.dylib                       0x000000012538b955 start + 1
  	49  ???                                 0x0000000000000005 0x0 + 5
  )

Labels: -Sheriff-Chromium OS-iOS
Components: UI>Browser>FullScreen Tests>Flaky

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