I'm trying to add chromevox_tests to the cros msan bot. Many tests fail due to uninitialized reads: 

https://ci.chromium.org/p/chromium/builders/luci.chromium.try/linux_chromium_chromeos_msan_rel_ng/804

CvoxKeySequenceUnitTest.SimpleSequenceWithModifier
CvoxKeySequenceUnitTest.CvoxCtrl
CvoxKeySequenceUnitTest.ModifiedSequence
AutomationUtilE2ETest.GetDirection
CvoxEventWatcherUnitTest.EditableText
CvoxLibLouisTest.testBackTranslateComputerBraille
CvoxBrailleIntegrationUnitTest.InterleavedWritesAndCommands
EditingTest.IsValidLine
CvoxSentenceWalkerUnitTest.testControlElements
CvoxSemanticTreeUnitTest.StreeMixedUnmatchedFences
CvoxKeySequenceUnitTest.FromStr
CvoxNavigationManagerUnitTest.AriaMenus
CvoxSpannableUnitTest.SpanBeginning
CvoxFindUtilUnitTest.Links
CvoxKeySequenceUnitTest.RequireStickyMode
CvoxSemanticTreeUnitTest.StreeSimpleFuncsNested
CvoxShadowUnitTest.MultilineLines
BackgroundTest.NodeVsSubnode
CvoxEditableTextUnitTest.CursorNavigation
CvoxEventWatcherUnitTest.ListBoxOptionFeedbackWithFocus
CvoxTtsBackgroundTest.Preprocess
BackgroundTest.ContinuousRead
OutputE2ETest.Links
CvoxMathShifterUnitTest.MathmlMtext
CvoxDomUtilUnitTest.HasContent
OutputE2ETest.RangeOutput
CvoxTtsBackgroundTest.UpdateVoice
CvoxEventWatcherUnitTest.ListBoxOptionFeedback
CvoxDomUtilUnitTest.GetNameInfiniteLoop
CvoxSentenceWalkerUnitTest.testSyncInvariant
CvoxDomUtilUnitTest.GetLinkURL
CursorsTest.DontSplitOnNodeNavigation
AutomationUtilE2ETest.GetAncestors
EditingTest.RichTextMoveByLine
BackgroundTest.NoisySlider
CvoxDomUtilUnitTest.HiddenAriaLabelledby
AutomationTreeWalkerTest.Forward
CvoxNavigationManagerUnitTest.SemanticElts
CvoxCursorSelectionUnitTest.Collapse
CvoxContentEditableExtractorUnitTest.WordWrap
CvoxDomUtilUnitTest.ElementToPoint
CvoxObjectWalkerUnitTest.testSyncInvariant
CvoxBrailleUtilUnitTest.TextFieldSelection
StringUtilUnitTest.previousCodePointOffset
CvoxEventWatcherUnitTest.MultilineNavigation
CvoxBrailleUtilUnitTest.NameTemplate
CvoxKeySequenceUnitTest.DeserializeAltShiftCvoxMod
CvoxNavigationManagerUnitTest.AriaListboxOption
CvoxSemanticTreeUnitTest.StreeLimitFunctions
CvoxBrailleUtilUnitTest.StateTemplate
CvoxKeySequenceUnitTest.MoreModifiers
CvoxEventWatcherUnitTest.ToggleOnKeyUp
CvoxNavigationManagerUnitTest.AriaListboxOptionOuterFocus
CvoxDomUtilUnitTest.LeafNodeTraversal
CvoxPanStrategyUnitTest.WrappedPanningSingleLine
BackgroundTest.Checkbox
EditingTest.EditableLineOneStaticText
CvoxSemanticTreeUnitTest.StreePrefixFuncsMulti
OutputE2ETest.MessageIdAndEarconValidity
CvoxBrailleInputHandlerUnitTest.NoTranslator
CvoxSemanticTreeUnitTest.StreeNeutralFencesOnly
EditingTest.EditableLineStrictEquality
CvoxKeySequenceUnitTest.StickyEquality
BackgroundTest.SelectSingleBasic
CvoxBrailleInputHandlerUnitTest.ConnectFromUnknownExtension
CvoxEventWatcherUnitTest.TextFocusFeedback
CvoxDomUtilUnitTest.Select
CvoxLiveRegionsUnitTest.ProgressBarLiveRegionEvents
BackgroundTest.NameFromHeadingLink
CvoxNavigationManagerUnitTest.AriaMathRoles
CvoxSpannableUnitTest.ToStringAnnotated
CvoxWordWalkerUnitTest.testSimpleReversedNext
CvoxSpannableUnitTest.AppendToString
CvoxCommandStoreUnitTest.TableData
CvoxDomUtilUnitTest.GetName
StringUtilUnitTest.longestCommonPrefixLength
CursorsTest.ContentEquality
CvoxSpannableUnitTest.Serialize
CvoxSpannableUnitTest.SubstringSpansClipped
AutomationTreeWalkerTest.LeafPredicateSymmetry
CvoxContentEditableExtractorUnitTest.NodePlusElement
CvoxNavigationManagerUnitTest.ListLinearNav
CvoxExpandingBrailleTranslatorUnitTest.StyleTranslations
CvoxPageSelectionUnitTest.ExtendDirections
CvoxSemanticTreeUnitTest.StreeMultipleOperators
CvoxCharacterWalkerUnitTest.testSimpleReversedSync
CvoxBrailleDisplayManagerUnitTest.CursorAndPanning
OutputE2ETest.BraileWhitespace
BackgroundTest.InPageLinks
BackgroundTest.ForwardBackwardNavigation
CvoxSemanticTreeUnitTest.StreePrePostfixOperators
CvoxEventWatcherUnitTest.EditableTextListboxUpdatingInput
BackgroundTest.BusyHeading
AutomationTreeWalkerTest.Backward
CvoxNavigationManagerUnitTest.LabelThenControl
BackgroundTest.ShowContextMenu
CvoxExpandingBrailleTranslatorUnitTest.successfulTranslations
CvoxKeySequenceUnitTest.SimpleSequenceNoModifier
CvoxEventWatcherUnitTest.EditableTextListbox
CvoxUserCommandsUnitTest.FindNextMap
EditingTest.EditableLineEquality
BackgroundTest.ShouldFocusLink
BackgroundTest.MissingTableCells
CvoxDomUtilUnitTest.NodeState
CvoxSemanticTreeUnitTest.StreePrefixFuncsNested
CvoxNavigationManagerUnitTest.ControlThenLabel
CvoxBrailleTableTest.testGetUncontracted
CvoxEditableTextUnitTest.ReplacingText
CvoxSemanticTreeUnitTest.StreePrefixFuncsNoArgs
EditingTest.RichTextSelectByLine
CvoxBrailleDisplayManagerUnitTest.OneBtoManyR
CvoxPanStrategyUnitTest.WrappedSetContent
BackgroundTest.ToggleButton
CvoxBrailleUtilUnitTest.LinkSpans
CvoxLayoutLineWalkerUnitTest.BackForward
CvoxBrailleInputHandlerUnitTest.InputContracted
CvoxNavigationManagerUnitTest.SkipNavigation
BackgroundTest.NavigationMovesFocus
CvoxSemanticTreeUnitTest.StreeTables
CvoxWordWalkerUnitTest.testEmptyBody
CvoxLibLouisTest.testGetTranslatorBeforeAttach
CvoxSentenceWalkerUnitTest.testSimpleForwardNext
AutomationUtilE2ETest.GetUniqueAncestors
CvoxBrailleDisplayManagerUnitTest.NoDisplay
CursorsTest.LineRange
CvoxBrailleDisplayManagerUnitTest.RandB_Random
CvoxCharacterWalkerUnitTest.testSyncToPage
CvoxKeySequenceUnitTest.FourWayEquality
CvoxEditableTextUnitTest.ContentEditableBraille
CvoxGroupWalkerUnitTest.testEmptyBody
EditingTest.EditableLineTwoStaticTexts
CvoxSpannableUnitTest.AppendAnnotations
BackgroundTest.DisappearingObject
CvoxEventWatcherUnitTest.FocusLinksBackwards
CvoxCursorSelectionUnitTest.Reverse
CvoxCharacterWalkerUnitTest.SimpleForwardSync
CvoxSpannableUnitTest.SubstringRangeError
CvoxDomUtilUnitTest.HasLongDesc
CvoxPageSelectionUnitTest.BasicExtend
CvoxDomUtilUnitTest.Tree
CvoxDomUtilUnitTest.FindNode
CvoxLibLouisTest.testTranslateComputerBraille
EditingTest.EditableLineBaseLineAnchorOrFocus
CvoxBrailleIntegrationUnitTest.CommandAfterBackgroundWrite
CvoxDomUtilUnitTest.LinkLeaf
CvoxBrailleTranslatorManagerTest.testInitial
CvoxDomUtilUnitTest.GetLabel
BackgroundTest.BrailleCaretNavigation
OutputE2ETest.InLineTextBoxValueGetsIgnored
CvoxBrailleIntegrationUnitTest.Write
BackgroundTest.AriaLabel
CvoxEditableTextUnitTest.CharacterEcho
CvoxMathShifterUnitTest.MathmlMsup
OutputE2ETest.JoinDescendants
BackgroundTest.TextSelectionAndLiveRegion
CvoxTableWalkerUnitTest.testNavigateCols
CvoxBrailleUtilUnitTest.NestedElements
LiveRegionsTest.SimulateTreeChanges
AutomationUtilE2ETest.VisitContainer
CvoxMathShifterUnitTest.MathmlMsub
BackgroundTest.NavigationIgnoresLabels
OutputE2ETest.AuralStyledHeadings
CvoxKeySequenceUnitTest.DifferentSequences
CvoxPanStrategyUnitTest.FixedSetContent
LiveRegionsTest.LiveRegionThenFocus
CvoxSemanticTreeUnitTest.StreePrefixFuncsUnfencedOps
CvoxNavigationManagerUnitTest.ListSmartNav
CvoxBrailleDisplayManagerUnitTest.SetEmptyContentWithTranslator
CursorsTest.CharacterRange
CvoxLibLouisTest.testBackTranslateGermanComputerBraille
CvoxWordWalkerUnitTest.testSimpleForwardNext
CvoxBrailleTableTest.testGetDisplayName
BackgroundTest.BrailleRouting
CvoxSpannableUnitTest.SubstringSpansExcluded
CvoxWordWalkerUnitTest.testSimpleForwardSync
AutomationTreeWalkerTest.RootPredicateEnding
CursorsTest.DeepEquivalency
CvoxSpannableUnitTest.TrimSpans
CvoxDomUtilUnitTest.Input
CvoxEventWatcherUnitTest.DoubleFocusAlertDialogFeedback
CvoxGroupWalkerUnitTest.testSimpleReversedSync
CvoxStructuralLineWalkerUnitTest.Sync
CvoxSemanticTreeUnitTest.StreePrefixFuncsScripts
CvoxSpannableUnitTest.GetSpanIntervals
CvoxNavigationManagerUnitTest.Scrollbar
CvoxEventWatcherUnitTest.CloseDialogTabRecovery
OutputE2ETest.Tree
CvoxBrailleUtilUnitTest.BrailleName
CvoxDomUtilUnitTest.TitleOverridesInnerWhitespace
CvoxKeySequenceUnitTest.ShiftEquality
CvoxSpannableUnitTest.GetSpanStartAndEndEquality
BackgroundTest.CaretNavigation
CvoxSpannableUnitTest.GetSpanStartAndEndAndLength
OutputE2ETest.LessVerboseAncestry
CvoxAriaUtilUnitTest.GetLiveRegions
CvoxEventWatcherUnitTest.AlertDialogFeedback
BackgroundTest.NavigationIgnoresDescriptions
CvoxKeySequenceUnitTest.Deserialize
CvoxGroupWalkerUnitTest.testSyncToPage
CvoxObjectWalkerUnitTest.testSimpleReversedNext
CvoxBrailleIntegrationUnitTest.CommandAfterOtherTabWrite
CvoxDomUtilUnitTest.EscapedNames
CvoxEditableTextUnitTest.CursorMovementByCharacter
CvoxKeySequenceUnitTest.DeserializeSearchCvoxMod
CvoxSemanticTreeUnitTest.StreePrefixFuncsWithOps
CvoxEditableTextUnitTest.WordEcho
CursorsTest.SelectionAdjustmentsNonRichText
CvoxSpannableUnitTest.GetSpanStartAndEndAndLengthZeroLength
CvoxDomUtilUnitTest.IsFocusable
CvoxStructuralLineWalkerUnitTest.BrailleLine
CvoxCharacterWalkerUnitTest.testEmptyBody
CvoxUserCommandsUnitTest.CommandsMap
RecoveryStrategyTest.ReparentedRecovery
CvoxSemanticTreeUnitTest.StreeOpeningFencesOnly
CvoxObjectWalkerUnitTest.testSimpleReversedSync
CvoxSemanticTreeUnitTest.StreeSimpleFuncsSingle
CvoxEditableTextUnitTest.TextChangeEvent
CursorsTest.WordRange
CvoxLibLouisTest.testKeyEventStaticData
CvoxEventWatcherUnitTest.DialogFeedback
CvoxSpannableUnitTest.TrimAllWhitespace
CvoxGroupWalkerUnitTest.testSimpleForwardSync
BackgroundTest.ClassicNamespaces
CvoxSemanticTreeUnitTest.StreePrefixFuncsMultiUnfenced
StringUtilUnitTest.nextCodePointOffset
CvoxPanStrategyUnitTest.WrappedPanningMultiline
CvoxBrailleDisplayManagerUnitTest.BasicGroup
LiveRegionsTest.SilentOnNodeChange
CvoxSemanticTreeUnitTest.StreeMixedFencesWithBars
EditingTest.RichTextImageByCharacter
BackgroundTest.SymetricComplexHeading
LiveRegionsTest.LiveRegionAddElement
BackgroundTest.SelectOptionSelected
CvoxSpannableUnitTest.SpanZeroLength
CvoxEditableTextUnitTest.CursorMovementByLine
CvoxCommandStoreUnitTest.CommandValidity
CvoxNavigationManagerUnitTest.LeftRightSentenceNavigation
CvoxBrailleTextHandlerUnitTest.UpdateByUser
CvoxNavigationManagerUnitTest.ContinuousReading
CvoxTableWalkerUnitTest.testSimpleTableWalker
CvoxSelectionUtilUnitTest.SimpleFindPos
CvoxKeySequenceUnitTest.ModifierOrder
CvoxSpannableUnitTest.Substring
CvoxUserCommandsUnitTest.TabHandling
CvoxAriaUtilUnitTest.ListIndexAndState
CvoxSemanticTreeUnitTest.StreeRegularFences
CvoxEventWatcherUnitTest.ButtonFocusFeedback
CvoxKeySequenceUnitTest.Inequality
CvoxLiveRegionsUnitTest.FocusTriggeredAlertLiveRegion
CvoxObjectWalkerUnitTest.testAnchorLinkDescriptions
OutputE2ETest.ToggleButton
EditingTest.Multiline
CvoxEventWatcherUnitTest.AriaHiddenFeedback
CursorsTest.InlineElementOffset
LiveRegionsTest.LiveRegionRemoveElement
CvoxSpannableUnitTest.SetSpanMoves
CvoxDomUtilUnitTest.IsAriaControl
OutputE2ETest.DivOmitsRole
LiveRegionsTest.LiveRegionCategoryFlush
CvoxBrailleDisplayManagerUnitTest.OneRtoManyB
CvoxSemanticTreeUnitTest.StreeSimpleFuncsExplicitApp
CvoxSentenceWalkerUnitTest.testSimpleReversedNext
CvoxNavigationManagerUnitTest.FindNextHeading
CvoxNavigationManagerUnitTest.TwoControlsInsideLabel
OutputE2ETest.ContainerFocus
BackgroundTest.ButtonNameValueDescription
CvoxBrailleTranslatorManagerTest.testRefreshWithoutChange
OutputE2ETest.Brief
EditingTest.RichTextMoveByCharacterEndOfLine
MockFeedbackUnitTest.speechAndCallbacks
OutputE2ETest.ListBox
CvoxLiveRegionsUnitTest.ModifyStatusLiveRegion
CvoxNavigationManagerUnitTest.ControlElements
CvoxLayoutLineWalkerUnitTest.Sync
CvoxContentEditableExtractorUnitTest.TwoParasWithWhitespace
MockFeedbackUnitTest.NoMatchDoesNotFinish
EditingTest.RichTextLinkOutput
CursorsTest.WrappingCursors
CvoxExpandingBrailleTranslatorUnitTest.TranslationError
CvoxLibLouisTest.checkAllTables
CvoxPageSelectionUnitTest.DegenerateExtensions
CvoxContentEditableExtractorUnitTest.TextWithWhitespace
CvoxWordWalkerUnitTest.testSyncToPage
CursorsTest.MultiLineOffsetSelection
OutputE2ETest.InlineBraille
CvoxBrailleTranslatorManagerTest.testRefreshWithChange
CvoxNavigationManagerUnitTest.LeftRightCharacterNavigation
CvoxDomUtilUnitTest.ShallowChildlessClone
CvoxEditableTextUnitTest.MultiLineText
CvoxBrailleDisplayManagerUnitTest.OneRtoManyB_BothEnds
AutomationUtilE2ETest.HitTest
BackgroundTest.EditableKeyCommand
CvoxSemanticTreeUnitTest.StreePrefixFuncsScriptUnfenced
CvoxEventWatcherUnitTest.ContentEditableFocusFeedback
CvoxContentEditableExtractorUnitTest.TwoParas
CvoxSemanticTreeUnitTest.StreeSimpleFuncsMulti
MockFeedbackUnitTest.expectWithRegex
BackgroundTest.MixedCheckbox
OutputE2ETest.Checkbox
OutputE2ETest.ValidateCommonProperties
CvoxLibLouisTest.testGetInvalidTranslator
CvoxObjectWalkerUnitTest.testEmptyBody
CvoxDomUtilUnitTest.SimplePara
AutomationUtilE2ETest.FindLastNodeComplex
CvoxEditableTextUnitTest.TypingNonBreakingSpaces
CvoxSpannableUnitTest.MultipleSpans
CvoxBrailleUtilUnitTest.TextField
CvoxEditableTextUnitTest.ReplacingLongText
CvoxSentenceWalkerUnitTest.testEmptyBody
BackgroundTest.BasicTableCommands
CvoxBrailleDisplayManagerUnitTest.BasicSetContent
CvoxDomUtilUnitTest.Memoization
CvoxDomUtilUnitTest.MultipleSelectValue
BackgroundTest.ForwardNavigationThroughIframeButtons
AutomationTreeWalkerTest.RootLeafRestriction
CvoxEditableTextUnitTest.Selection
OutputE2ETest.Headings
CvoxSemanticTreeUnitTest.StreeIntegrals
CvoxBrailleDisplayManagerUnitTest.OneBtoManyR_BothEnds
BackgroundTest.HeadingLevels
LiveRegionsTest.FocusThenLiveRegion
CvoxLiveRegionsUnitTest.AddToLiveRegion
EditingTest.TextButNoSelectionChange
BackgroundTest.CaretNavigationTreatsButtonAsWord
EditingTest.Focus
CvoxGroupWalkerUnitTest.testSyncInvariant
BackgroundTest.EditText
CursorsTest.CharacterWordCursor
CvoxEditableTextUnitTest.CursorMovementByWord
CvoxSemanticTreeUnitTest.StreeMixedFences
BackgroundTest.InitialFocus
CvoxNavigationManagerUnitTest.ControlElementsWithFieldset
BackgroundTest.ForwardObjectNavigationThroughIframes
CvoxBrailleUtilUnitTest.TextFieldEmpty
CursorsTest.CharacterCursor
CvoxBrailleUtilUnitTest.VisitedLink
CvoxDomUtilUnitTest.TableBorders
CvoxPageSelectionUnitTest.ReverseExtend
CvoxSpannableUnitTest.TrimLeftOrRight
CvoxBrailleTableTest.testGetAllAndValidate
CvoxPanStrategyUnitTest.getCurrentTextViewportContents
BackgroundTest.BackwardForwardSync
OutputE2ETest.RoleDescription
CvoxNavigationManagerUnitTest.LeftRightWordNavigation
BackgroundTest.NativeFind
CvoxNavigationManagerUnitTest.FullyDescribe
MockFeedbackUnitTest.startAndEndCallbacks
CvoxDomUtilUnitTest.Image
CursorsTest.SelectionAdjustmentsRichText
CvoxObjectWalkerUnitTest.testSimpleForwardNext
CursorsTest.LineCursor
BackgroundTest.NavigationEscapesEdit
OutputE2ETest.TextFieldObeysRoleDescription
CvoxSpannableUnitTest.Trim
CvoxDomUtilUnitTest.AccessKey
CvoxSemanticTreeUnitTest.StreeSimpleFuncsWithOps
CvoxSpannableUnitTest.SpanEnd
CvoxContentEditableExtractorUnitTest.SingleTextNode
CvoxEditableTextUnitTest.CursorMovementTextArea
CvoxDomUtilUnitTest.NestedPara
CvoxLibLouisTest.testBackTranslateEmptyCells
CvoxContentEditableExtractorUnitTest.Preformatted
CvoxBrailleUtilUnitTest.CreateValue
CvoxLiveRegionsUnitTest.RevealAlertLiveRegion
CvoxEditableTextUnitTest.Autocomplete
CvoxSpannableUnitTest.GetSpanStartAndEndAndLengthAbsent
CvoxSpannableUnitTest.LengthProperty
CvoxPanStrategyUnitTest.FixedPanning
CvoxNavigationManagerUnitTest.LinkCollectionSmartNav
CvoxBrailleDisplayManagerUnitTest.NoApi
CvoxBrailleUtilUnitTest.AccessKey
CvoxMathShifterUnitTest.MathmlMi
EditingTest.RichTextExtendByCharacter
CvoxMathShifterUnitTest.MathmlMo
CvoxMathShifterUnitTest.MathmlMn
CvoxDomUtilUnitTest.ListLength
CvoxDomUtilUnitTest.IsControl
CvoxStructuralLineWalkerUnitTest.ListitemPrefixes
CvoxEditableTextUnitTest.CursorMovementByParagraph
OutputE2ETest.Menu
BackgroundTest.FocusInputElement
OutputE2ETest.Input
CvoxStructuralLineWalkerUnitTest.SyncTraverseUtil
AutomationUtilE2ETest.FindLastNodeNonLeaf
CvoxSemanticTreeUnitTest.StreePrefixFuncsSingle
CursorsTest.WordCursor
CvoxSentenceWalkerUnitTest.testSyncToPage
BackgroundTest.NextNamespaces
OutputE2ETest.BrailleAncestry
CvoxAriaUtilUnitTest.GetStateGridWithActiveCell
CvoxNavigationManagerUnitTest.SimpleStaticHTML
CvoxBrailleInputHandlerUnitTest.TypingUrlWithContracted
MockFeedbackUnitTest.SpeechAndBraille
CvoxSentenceWalkerUnitTest.testSimpleReversedSync
CvoxBrailleInputHandlerUnitTest.InputUncontracted
CvoxDomUtilUnitTest.IsLeafNode
CvoxSpannableUnitTest.SetSpanRangeError
CvoxSpannableUnitTest.SubstringSpansIncluded
CvoxObjectWalkerUnitTest.testSyncToPage
CvoxCharacterWalkerUnitTest.testSimpleReversedNext
CvoxBrailleIntegrationUnitTest.CommandNoContent
CvoxLibLouisTest.testTranslateAfterDetach
BackgroundTest.TableColumnHeaders
CvoxWordWalkerUnitTest.testSimpleReversedSync
CvoxNavigationManagerUnitTest.AriaHasPopup
CvoxObjectWalkerUnitTest.testSimpleForwardSync
CvoxSpannableUnitTest.ToStringUnannotated
BackgroundTest.Selection
CvoxAriaUtilUnitTest.GetActiveDescendant
CvoxEditableTextUnitTest.TypingWords
CvoxCharacterWalkerUnitTest.testSpaces
LiveRegionsTest.LiveRegionChangeAtomic
BackgroundTest.ShouldNotFocusIframe
CvoxBrailleIntegrationUnitTest.WriteWithSpans
OutputE2ETest.ComplexDiv
BackgroundTest.DisabledState
CvoxDomUtilUnitTest.GetLabelComplex
CvoxEventWatcherUnitTest.ListBoxFeedback
CvoxContentEditableExtractorUnitTest.EmptyElement
CvoxSemanticTreeUnitTest.StreePrefixFuncsUnfenced
CvoxLayoutLineWalkerUnitTest.Description
CvoxDomUtilUnitTest.IsDisabled
OutputE2ETest.Audio
CvoxTableWalkerUnitTest.testNavigateRows
CvoxDomUtilUnitTest.OrderedListitem
CvoxGroupWalkerUnitTest.testSimpleForwardNext
EditingTest.RichTextMoveByCharacter
MockFeedbackUnitTest.expectAfterReplayThrows
EditingTest.RichTextMoveByCharacterNodeWorkaround
CvoxSentenceWalkerUnitTest.testSimpleForwardSync
CvoxEventWatcherUnitTest.ShouldWaitToProcess
CvoxDomUtilUnitTest.NestedVisibilityPara
CvoxCharacterWalkerUnitTest.testSimpleForwardNext
BackgroundTest.NavigationSyncsSelect
CvoxSpannableUnitTest.GetSpanInstanceOf
CvoxLibLouisTest.testDetachWithOutstandingCallbacks
BackgroundTest.OptionChildIndexCount
OutputE2ETest.List
CvoxWordWalkerUnitTest.testSyncInvariant
CvoxEditableTextUnitTest.NoEcho
CvoxNavigationManagerUnitTest.ControlInsideLabel
CvoxCharacterWalkerUnitTest.testSyncInvariant
AutomationUtilE2ETest.FindLastNodeSimple
CvoxNavigationManagerUnitTest.InvalidLabels
CvoxNavigationManagerUnitTest.LeftRightGroupNavigation
CvoxDomUtilUnitTest.IsVisible
BackgroundTest.ListItem
CvoxBrailleInputHandlerUnitTest.Backspace
CvoxBrailleUtilUnitTest.GetTemplatedOverride
CvoxDomUtilUnitTest.DeepClone
CvoxMathShifterUnitTest.MathmlMsubsup
CvoxSemanticTreeUnitTest.StreeNeutralFences
CvoxSemanticTreeUnitTest.StreeRelations
BackgroundTest.EarconsForControls
CvoxCommandStoreUnitTest.InvalidQueries
CvoxBrailleInputHandlerUnitTest.KeysImeNotActive
BackgroundTest.ContentEditableJumpSyncsRange
CvoxGroupWalkerUnitTest.testSimpleReversedNext
BackgroundTest.GlobsToRegExp
MockFeedbackUnitTest.SpeechAndEarcons
BackgroundTest.JumpToDetails
CvoxKeySequenceUnitTest.ShiftPrefixEquality
CvoxSemanticTreeUnitTest.StreeClosingFencesOnly
CvoxLiveRegionsUnitTest.InsertNonLiveRegion
CursorsTest.IsInWebRange
BackgroundTest.ListMarkerIsIgnored
CvoxNavigationManagerUnitTest.AriaListboxActiveDescendant
CvoxLibLouisTest.testTranslateGermanGrade2Braille
CvoxSemanticTreeUnitTest.StreeBigOps
CvoxSpannableUnitTest.RemoveSpan
CvoxSemanticTreeUnitTest.StreeSingleOperators
CvoxBrailleUtilUnitTest.ContainerTemplate


I've only looked at 2 stacks so far, but those were the same:

==27601==WARNING: MemorySanitizer: use-of-uninitialized-value
    #0 0xcff349f in ChromeContentBrowserClient::BrowserURLHandlerCreated(content::BrowserURLHandler*) ./../../chrome/browser/chrome_content_browser_client.cc:3119:3
    #1 0x5ca5985 in content::WebRTCInternals::WebRTCInternals(int, bool) ./../../content/browser/webrtc/webrtc_internals.cc:113:38
    #2 0x5ca688a in WebRTCInternals ./../../content/browser/webrtc/webrtc_internals.cc:96:38
    #3 0x5ca688a in content::WebRTCInternals::CreateSingletonInstance() ./../../content/browser/webrtc/webrtc_internals.cc:153:0
    #4 0x44c4c4a in content::BrowserMainLoop::BrowserThreadsStarted() ./../../content/browser/browser_main_loop.cc:1331:3
    #5 0x5ad3cee in Run ./../../base/callback.h:125:12
    #6 0x5ad3cee in content::StartupTaskRunner::RunAllTasksNow() ./../../content/browser/startup_task_runner.cc:43:0
    #7 0x44c0717 in content::BrowserMainLoop::CreateStartupTasks() ./../../content/browser/browser_main_loop.cc:872:25
    #8 0x44d4d85 in content::BrowserMainRunnerImpl::Initialize(content::MainFunctionParams const&, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) ./../../content/browser/browser_main_runner_impl.cc:148:15
    #9 0x44b527b in content::BrowserMain(content::MainFunctionParams const&, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) ./../../content/browser/browser_main.cc:47:20
    #10 0xcb11161 in content::RunBrowserProcessMain(content::MainFunctionParams const&, content::ContentMainDelegate*, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) ./../../content/app/content_main_runner_impl.cc:608:10
    #11 0xcb154f6 in content::ContentMainRunnerImpl::Run() ./../../content/app/content_main_runner_impl.cc:955:12
    #12 0x14f5f7e2 in service_manager::Main(service_manager::MainParams const&) ./../../services/service_manager/embedder/main.cc:459:29
    #13 0xcb0ba77 in content::ContentMain(content::ContentMainParams const&) ./../../content/app/content_main.cc:19:10
    #14 0xdfcbadf in content::BrowserTestBase::SetUp() ./../../content/public/test/browser_test_base.cc:325:3
    #15 0xdfc370f in InProcessBrowserTest::SetUp() ./../../chrome/test/base/in_process_browser_test.cc:251:20
    #16 0xea8a75 in testing::Test::Run() ./../../third_party/googletest/src/googletest/src/gtest.cc:0:0
    #17 0xeab92b in testing::TestInfo::Run() ./../../third_party/googletest/src/googletest/src/gtest.cc:2667:11
    #18 0xead3b9 in testing::TestCase::Run() ./../../third_party/googletest/src/googletest/src/gtest.cc:2785:28
    #19 0xee3ac4 in testing::internal::UnitTestImpl::RunAllTests() ./../../third_party/googletest/src/googletest/src/gtest.cc:5047:43
    #20 0xee2397 in testing::UnitTest::Run() ./../../third_party/googletest/src/googletest/src/gtest.cc:0:0
    #21 0xcf58160 in RUN_ALL_TESTS ./../../third_party/googletest/src/googletest/include/gtest/gtest.h:2329:46
    #22 0xcf58160 in base::TestSuite::Run() ./../../base/test/test_suite.cc:275:0
    #23 0xdfbf503 in ChromeTestSuiteRunner::RunTestSuite(int, char**) ./../../chrome/test/base/chrome_test_launcher.cc:65:38
    #24 0xdfe1ab4 in content::LaunchTests(content::TestLauncherDelegate*, unsigned long, int, char**) ./../../content/public/test/test_launcher.cc:625:31
    #25 0xdfc0c66 in LaunchChromeTests(unsigned long, content::TestLauncherDelegate*, int, char**) ./../../chrome/test/base/chrome_test_launcher.cc:170:10
    #26 0xdfbf2ef in main ./../../chrome/test/base/browser_tests_main_chromeos.cc:21:10
    #27 0x7f18e9d37f44 in __libc_start_main /build/eglibc-ripdx6/eglibc-2.19/csu/libc-start.c:287:0
    #28 0x4a1979 in _start ??:0:0
  Uninitialized value was created by an allocation of 'local_logs_path' in the stack frame of function '_ZN7content15WebRTCInternalsC2Eib'
    #0 0x5ca5410 in content::WebRTCInternals::WebRTCInternals(int, bool) ./../../content/browser/webrtc/webrtc_internals.cc:108:0
SUMMARY: MemorySanitizer: use-of-uninitialized-value (/b/s/w/ir/out/Release/chromevox_tests+0xcff349f)
Exiting

So probably should fix that first, and then try again.