See 
https://build.chromium.org/p/chromium.linux/builders/Linux%20Tests%20%28dbg%29%281%29/builds/61514
https://build.chromium.org/p/chromium.linux/builders/Linux%20Tests%20%28dbg%29%281%29/builds/61499


Sample logs:

DownloadExtensionTest.DownloadExtensionTest_OnDeterminingFilename_InterruptedResume (run #1):
[ RUN      ] DownloadExtensionTest.DownloadExtensionTest_OnDeterminingFilename_InterruptedResume
Xlib:  extension "RANDR" missing on display ":99".
[13479:13479:0310/064145.158287:WARNING:audio_manager.cc(295)] Multiple instances of AudioManager detected
[13479:13479:0310/064145.158437:WARNING:audio_manager.cc(254)] Multiple instances of AudioManager detected
[13479:13479:0310/064145.622246:WARNING:password_store_factory.cc(247)] Using basic (unencrypted) store for password storage. See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_password_storage.md for more information about password storage options.
[13479:13479:0310/064150.829079:FATAL:download_item_impl.cc(1094)] Check failed: destination_error_ == DOWNLOAD_INTERRUPT_REASON_NONE (20 vs. 0)
#0 0x7f8b7ad2ebbb base::debug::StackTrace::StackTrace()
#1 0x7f8b7ad2d24c base::debug::StackTrace::StackTrace()
#2 0x7f8b7ad9b73f logging::LogMessage::~LogMessage()
#3 0x7f8b72591a03 content::DownloadItemImpl::DestinationUpdate()
#4 0x7f8b72586672 _ZN4base8internal13FunctorTraitsIMN7content27DownloadDestinationObserverEFvllRKNSt7__debug6vectorINS2_12DownloadItem13ReceivedSliceESaIS7_EEEEvE6InvokeIRKNS_7WeakPtrIS3_EEJRKlRKmSB_EEEvSD_OT_DpOT0_
#5 0x7f8b725864e9 _ZN4base8internal12InvokeHelperILb1EvE8MakeItSoIRKMN7content27DownloadDestinationObserverEFvllRKNSt7__debug6vectorINS4_12DownloadItem13ReceivedSliceESaIS9_EEEERKNS_7WeakPtrIS5_EEJRKlRKmSD_EEEvOT_OT0_DpOT1_
#6 0x7f8b72586435 _ZN4base8internal7InvokerINS0_9BindStateIMN7content27DownloadDestinationObserverEFvllRKNSt7__debug6vectorINS3_12DownloadItem13ReceivedSliceESaIS8_EEEEJNS_7WeakPtrIS4_EElmSA_EEEFvvEE7RunImplIRKSE_RKSt5tupleIJSG_lmSA_EEJLm0ELm1ELm2ELm3EEEEvOT_OT0_NS_13IndexSequenceIJXspT1_EEEE
#7 0x7f8b725862cc _ZN4base8internal7InvokerINS0_9BindStateIMN7content27DownloadDestinationObserverEFvllRKNSt7__debug6vectorINS3_12DownloadItem13ReceivedSliceESaIS8_EEEEJNS_7WeakPtrIS4_EElmSA_EEEFvvEE3RunEPNS0_13BindStateBaseE
#8 0x7f8b7ad34b61 _ZNO4base8internal8RunMixinINS_8CallbackIFvvELNS0_8CopyModeE0ELNS0_10RepeatModeE0EEEE3RunEv
#9 0x7f8b7ad343de base::debug::TaskAnnotator::RunTask()
#10 0x7f8b7adc487d base::MessageLoop::RunTask()
#11 0x7f8b7adc4b14 base::MessageLoop::DeferOrRunPendingTask()
#12 0x7f8b7adc4e04 base::MessageLoop::DoWork()
#13 0x7f8b7addce7c base::MessagePumpGlib::HandleDispatch()
#14 0x7f8b7addd621 base::(anonymous namespace)::WorkSourceDispatch()
#15 0x7f8b650b4e04 g_main_context_dispatch
#16 0x7f8b650b5048 <unknown>
#17 0x7f8b650b50ec g_main_context_iteration
#18 0x7f8b7addcf7f base::MessagePumpGlib::Run()
#19 0x7f8b7adc4417 base::MessageLoop::RunHandler()
#20 0x7f8b7ae744fa base::RunLoop::Run()
#21 0x000003d50e57 content::RunThisRunLoop()
#22 0x000003d51b6a content::MessageLoopRunner::Run()
#23 0x000003d49e14 content::TestNavigationObserver::Wait()
#24 0x000002b34770 ui_test_utils::NavigateToURLWithDispositionBlockUntilNavigationsComplete()
#25 0x000002b34211 ui_test_utils::NavigateToURLWithDisposition()
#26 0x000000b0a37b extensions::DownloadExtensionTest_DownloadExtensionTest_OnDeterminingFilename_InterruptedResume_Test::RunTestOnMainThread()
#27 0x000002b2e428 InProcessBrowserTest::RunTestOnMainThreadLoop()
#28 0x000003caece7 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop()
#29 0x000000879295 _ZN4base8internal13FunctorTraitsIM25RenderViewContextMenuBaseFvvEvE6InvokeIP21RenderViewContextMenuJEEEvS4_OT_DpOT0_
#30 0x0000008791b1 _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKM25RenderViewContextMenuBaseFvvEJP21RenderViewContextMenuEEEvOT_DpOT0_
#31 0x000003cafdd7 _ZN4base8internal7InvokerINS0_9BindStateIMN7content15BrowserTestBaseEFvvEJNS0_17UnretainedWrapperIS4_EEEEEFvvEE7RunImplIRKS6_RKSt5tupleIJS8_EEJLm0EEEEvOT_OT0_NS_13IndexSequenceIJXspT1_EEEE
#32 0x000003cafd1c _ZN4base8internal7InvokerINS0_9BindStateIMN7content15BrowserTestBaseEFvvEJNS0_17UnretainedWrapperIS4_EEEEEFvvEE3RunEPNS0_13BindStateBaseE
#33 0x00000085f66b base::internal::RunMixin<>::Run()
#34 0x0000037cf69a ChromeBrowserMainParts::PreMainMessageLoopRunImpl()
#35 0x0000037ce0d0 ChromeBrowserMainParts::PreMainMessageLoopRun()
#36 0x7f8b72368bf1 content::BrowserMainLoop::PreMainMessageLoopRun()
#37 0x7f8b717deb75 _ZN4base8internal13FunctorTraitsIMN7content22IndexedDBCallbacksImpl13InternalStateEFvvEvE6InvokeIPS4_JEEEvS6_OT_DpOT0_
#38 0x7f8b72373e11 _ZN4base8internal12InvokeHelperILb0EiE8MakeItSoIRKMN7content15BrowserMainLoopEFivEJPS5_EEEiOT_DpOT0_
#39 0x7f8b72373db7 _ZN4base8internal7InvokerINS0_9BindStateIMN7content15BrowserMainLoopEFivEJNS0_17UnretainedWrapperIS4_EEEEEFivEE7RunImplIRKS6_RKSt5tupleIJS8_EEJLm0EEEEiOT_OT0_NS_13IndexSequenceIJXspT1_EEEE
#40 0x7f8b72373cfc _ZN4base8internal7InvokerINS0_9BindStateIMN7content15BrowserMainLoopEFivEJNS0_17UnretainedWrapperIS4_EEEEEFivEE3RunEPNS0_13BindStateBaseE
#41 0x7f8b716bf13b base::internal::RunMixin<>::Run()
#42 0x7f8b72f3a6bb content::StartupTaskRunner::RunAllTasksNow()
#43 0x7f8b723667c0 content::BrowserMainLoop::CreateStartupTasks()
#44 0x7f8b72377847 content::BrowserMainRunnerImpl::Initialize()
#45 0x7f8b72362a6f content::BrowserMain()
#46 0x7f8b73bd2cb6 content::RunNamedProcessTypeMain()
#47 0x7f8b73bd505c content::ContentMainRunnerImpl::Run()
#48 0x7f8b73bd1be2 content::ContentMain()
#49 0x000003cae9db content::BrowserTestBase::SetUp()
#50 0x000002b2cc5d InProcessBrowserTest::SetUp()
#51 0x0000015c63ad ExtensionBrowserTest::SetUp()
#52 0x00000111c90e _ZN7testing8internal12InvokeHelperIvSt5tupleIJEEE12InvokeMethodI14ServiceProcessMS6_FvvEEEvPT_T0_RKS3_
#53 0x000003e690d2 testing::internal::HandleExceptionsInMethodIfSupported<>()
#54 0x000003e5dea4 testing::Test::Run()
#55 0x000003e5e6ad testing::TestInfo::Run()
#56 0x000003e5ec4f testing::TestCase::Run()
#57 0x000003e63fbc testing::internal::UnitTestImpl::RunAllTests()
#58 0x00000111bf3e _ZN7testing8internal12InvokeHelperIbSt5tupleIJEEE12InvokeMethodI20MockServiceIPCServerMS6_FbvEEEbPT_T0_RKS3_
#59 0x000003e6a792 testing::internal::HandleExceptionsInMethodIfSupported<>()
#60 0x000003e63c5f testing::UnitTest::Run()
#61 0x000002b4ac11 RUN_ALL_TESTS()