https://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=TaskManagerBrowserTest.SentDataObserved

https://logs.chromium.org/v/?s=chromium%2Fbb%2Fchromium.linux%2FLinux_Tests__dbg__1_%2F67943%2F%2B%2Frecipes%2Fsteps%2Frenderer_side_navigation_browser_tests%2F0%2Flogs%2FTaskManagerBrowserTest.SentDataObserved%2F0

[99419:99419:1102/112447.956275:WARNING:browser_main_loop.cc(300)] <unknown>: Couldn't connect to accessibility bus: Failed to connect to socket /tmp/dbus-GAwD2BsBym: Connection refused
[99419:99419:1102/112448.320180:WARNING:password_store_factory.cc(241)] 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.
[99479:99479:1102/112449.640627:ERROR:gpu_info.cc(103)] No active GPU found, returning primary GPU.
[99419:99441:1102/112449.888665:WARNING:simple_synchronous_entry.cc(1179)] Could not open platform files for entry.
[99419:99489:1102/112449.993598:WARNING:embedded_test_server.cc(228)] Request not handled. Returning 404: /favicon.ico
[99419:99449:1102/112450.148654:FATAL:blob_storage_context.cc(474)] Check failed: entry. 
#0 0x7feec0f2f16d base::debug::StackTrace::StackTrace()
#1 0x7feec0f2d59c base::debug::StackTrace::StackTrace()
#2 0x7feec0fb46ca logging::LogMessage::~LogMessage()
#3 0x7feeb416d2f6 storage::BlobStorageContext::BuildPreregisteredBlob()
#4 0x7feeb415038f storage::BlobRegistryImpl::BlobUnderConstruction::ResolvedAllBlobDependencies()
#5 0x7feeb415c64f _ZN4base8internal13FunctorTraitsIMN7storage16BlobRegistryImpl21BlobUnderConstructionEFvvEvE6InvokeIRKNS_7WeakPtrIS4_EEJEEEvS6_OT_DpOT0_
#6 0x7feeb415c5ca _ZN4base8internal12InvokeHelperILb1EvE8MakeItSoIRKMN7storage16BlobRegistryImpl21BlobUnderConstructionEFvvERKNS_7WeakPtrIS6_EEJEEEvOT_OT0_DpOT1_
#7 0x7feeb415c560 _ZN4base8internal7InvokerINS0_9BindStateIMN7storage16BlobRegistryImpl21BlobUnderConstructionEFvvEJNS_7WeakPtrIS5_EEEEEFvvEE7RunImplIRKS7_RKNSt3__15tupleIJS9_EEEJLm0EEEEvOT_OT0_NSG_16integer_sequenceImJXspT1_EEEE
#8 0x7feeb415c4fc _ZN4base8internal7InvokerINS0_9BindStateIMN7storage16BlobRegistryImpl21BlobUnderConstructionEFvvEJNS_7WeakPtrIS5_EEEEEFvvEE3RunEPNS0_13BindStateBaseE
#9 0x7feec0edb061 _ZNO4base12OnceCallbackIFvvEE3RunEv
#10 0x7feec0f3349a base::debug::TaskAnnotator::RunTask()
#11 0x7feec0fd3555 base::internal::IncomingTaskQueue::RunTask()
#12 0x7feec0fdc4e0 base::MessageLoop::RunTask()
#13 0x7feec0fdc796 base::MessageLoop::DeferOrRunPendingTask()
#14 0x7feec0fdcae0 base::MessageLoop::DoWork()
#15 0x7feec0fe28c9 base::MessagePumpLibevent::Run()
#16 0x7feec0fdbc5c base::MessageLoop::Run()
#17 0x7feec10881cb base::RunLoop::Run()
#18 0x7feec114a964 base::Thread::Run()
#19 0x7feeb9834e86 content::BrowserThreadImpl::IOThreadRun()
#20 0x7feeb983518b content::BrowserThreadImpl::Run()
#21 0x7feec114b58b base::Thread::ThreadMain()
#22 0x7feec1130e21 base::(anonymous namespace)::ThreadFunc()
#23 0x7feec12d7184 start_thread
#24 0x7feea6d5dffd clone

[1102/112450.349688:ERROR:kill_posix.cc(83)] Unable to terminate process group 99419: No such process (3)
[1/1] TaskManagerBrowserTest.SentDataObserved (CRASHED)
1 test crashed:
    TaskManagerBrowserTest.SentDataObserved (../../chrome/browser/task_manager/task_manager_browsertest.cc:678)