https://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Tests%20%28dbg%29%281%29/builds/23292

ToastManagerTest.NullMessageHasNoDismissButton (run #1):
[ RUN      ] ToastManagerTest.NullMessageHasNoDismissButton
Xlib:  extension "RANDR" missing on display ":99".
[31514:31514:0308/103554.825855:35894275596:FATAL:toast_manager_unittest.cc(59)] Check failed: overlay.
#0 0x7f44f2384bab base::debug::StackTrace::StackTrace()
#1 0x7f44f238327c base::debug::StackTrace::StackTrace()
#2 0x7f44f23e9bcc logging::LogMessage::~LogMessage()
#3 0x0000007b5bb8 ash::ToastManagerTest::GetDismissButton()
#4 0x0000007b22e1 ash::ToastManagerTest_NullMessageHasNoDismissButton_Test::TestBody()
#5 0x000000c795fe testing::internal::HandleSehExceptionsInMethodIfSupported<>()
#6 0x000000c6a4c2 testing::internal::HandleExceptionsInMethodIfSupported<>()
#7 0x000000c5f2c6 testing::Test::Run()
#8 0x000000c5f9fd testing::TestInfo::Run()
#9 0x000000c5ff9f testing::TestCase::Run()
#10 0x000000c6530c testing::internal::UnitTestImpl::RunAllTests()
#11 0x000000c7d63e testing::internal::HandleSehExceptionsInMethodIfSupported<>()
#12 0x000000c6bc22 testing::internal::HandleExceptionsInMethodIfSupported<>()
#13 0x000000c64faf testing::UnitTest::Run()
#14 0x000000bfc1e1 RUN_ALL_TESTS()
#15 0x000000bfb172 base::TestSuite::Run()
#16 0x00000055ea05 _ZN4base8internal13FunctorTraitsIMN3ash36ResolutionNotificationControllerTestEFvvEvE6InvokeIPS3_JEEEvS5_OT_DpOT0_
#17 0x00000055e921 _ZN4base8internal12InvokeHelperILb0EvE8MakeItSoIRKMN3ash36ResolutionNotificationControllerTestEFvvEJPS5_EEEvOT_DpOT0_
#18 0x0000005cffe7 _ZN4base8internal7InvokerINS0_9BindStateIMNS_9TestSuiteEFivEJNS0_17UnretainedWrapperIN3ash4test12AshTestSuiteEEEEEEFivEE7RunImplIRKS5_RKSt5tupleIJSA_EEJLm0EEEEiOT_OT0_NS_13IndexSequenceIJXspT1_EEEE
#19 0x0000005cff2c _ZN4base8internal7InvokerINS0_9BindStateIMNS_9TestSuiteEFivEJNS0_17UnretainedWrapperIN3ash4test12AshTestSuiteEEEEEEFivEE3RunEPNS0_13BindStateBaseE
#20 0x0000004fec0b base::internal::RunMixin<>::Run()
#21 0x000000bfddf1 base::(anonymous namespace)::LaunchUnitTestsInternal()
#22 0x000000bfdc84 base::LaunchUnitTests()
#23 0x0000005cfdb8 main
#24 0x7f44ea673f45 __libc_start_main
#25 0x0000004e7055 <unknown>