https://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=CastStreamingApiTestWithPixelOutput.RtpStreamError appears to have been flaky for a while.

I'll disable.

Stack trace:
[ RUN      ] CastStreamingApiTestWithPixelOutput.RtpStreamError
[47753:4611:0510/230209.888438:WARNING:notification_platform_bridge_mac.mm(510)] AlertNotificationService: XPC connection invalidated.
[47753:775:0510/230210.791168:INFO:CONSOLE(13)] "[TEST] rtpStreamError", source: chrome-extension://ddchlicdkolnonkihahngkmmmjnjlkkf/rtp_stream_error.js (13)
[47753:775:0510/230210.831514:INFO:CONSOLE(0)] "[SUCCESS] rtpStreamError", source: chrome-extension://ddchlicdkolnonkihahngkmmmjnjlkkf/rtp_stream_error.html (0)
[47753:775:0510/230210.831700:INFO:CONSOLE(0)] "[SUCCESS] rtpStreamError", source: chrome-extension://ddchlicdkolnonkihahngkmmmjnjlkkf/rtp_stream_error.html (0)
[47753:42755:0510/230211.699774:WARNING:audio_input_sync_writer.cc(366)] AISW: No room in socket buffer.: Broken pipe (32)
BrowserTestBase received signal: Segmentation fault: 11. Backtrace:
0   browser_tests                       0x0000000112f1739c base::debug::StackTrace::StackTrace(unsigned long) + 28
1   browser_tests                       0x00000001134a19b5 content::(anonymous namespace)::DumpStackTraceSignalHandler(int) + 229
2   libsystem_platform.dylib            0x00007fffc50abb3a _sigtramp + 26
3   libsystem_malloc.dylib              0x00007fffc501e472 szone_malloc_should_clear + 400
4   browser_tests                       0x0000000114570f41 gpu::gles2::GLES2Implementation::OnGpuControlSwapBuffersCompleted(gpu::SwapBuffersCompleteParams const&) + 193
5   browser_tests                       0x00000001117da94b bool IPC::MessageT<GpuCommandBufferMsg_SwapBuffersCompleted_Meta, std::__1::tuple<gpu::SwapBuffersCompleteParams>, void>::Dispatch<gpu::CommandBufferProxyImpl, gpu::CommandBufferProxyImpl, void, void (gpu::CommandBufferProxyImpl::*)(gpu::SwapBuffersCompleteParams const&)>(IPC::Message const*, gpu::CommandBufferProxyImpl*, gpu::CommandBufferProxyImpl*, void*, void (gpu::CommandBufferProxyImpl::*)(gpu::SwapBuffersCompleteParams const&)) + 123
6   browser_tests                       0x00000001117da056 gpu::CommandBufferProxyImpl::OnMessageReceived(IPC::Message const&) + 358
7   browser_tests                       0x00000001117e111c base::internal::Invoker<base::internal::BindState<base::internal::IgnoreResultHelper<bool (IPC::Listener::*)(IPC::Message const&)>, base::WeakPtr<IPC::Listener>, IPC::Message>, void ()>::Run(base::internal::BindStateBase*) + 92
8   browser_tests                       0x00000001147d8146 ui::(anonymous namespace)::WrappedTask::Run() + 54
9   browser_tests                       0x0000000112e6cf07 base::debug::TaskAnnotator::RunTask(char const*, base::PendingTask*) + 247
10  browser_tests                       0x0000000112e8edd4 base::MessageLoop::RunTask(base::PendingTask*) + 468
11  browser_tests                       0x0000000112e8f2a8 base::MessageLoop::DoWork() + 424
12  browser_tests                       0x0000000112e90fda base::MessagePumpCFRunLoopBase::RunWork() + 42
13  browser_tests                       0x0000000112e817aa base::mac::CallWithEHFrame(void () block_pointer) + 10
14  browser_tests                       0x0000000112e908ff base::MessagePumpCFRunLoopBase::RunWorkSource(void*) + 63
15  CoreFoundation                      0x00007fffaf2ca3e1 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
16  CoreFoundation                      0x00007fffaf2ab65c __CFRunLoopDoSources0 + 556
17  CoreFoundation                      0x00007fffaf2aab46 __CFRunLoopRun + 934
18  CoreFoundation                      0x00007fffaf2aa544 CFRunLoopRunSpecific + 420
19  HIToolbox                           0x00007fffae809ebc RunCurrentEventLoopInMode + 240
20  HIToolbox                           0x00007fffae809cf1 ReceiveNextEventCommon + 432
21  HIToolbox                           0x00007fffae809b26 _BlockUntilNextEventMatchingListInModeWithFilter + 71
22  AppKit                              0x00007fffacda2a54 _DPSNextEvent + 1120
23  AppKit                              0x00007fffad51e7ee -[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 2796
24  browser_tests                       0x0000000112fc0ab0 __71-[BrowserCrApplication nextEventMatchingMask:untilDate:inMode:dequeue:]_block_invoke + 64
25  browser_tests                       0x0000000112e817aa base::mac::CallWithEHFrame(void () block_pointer) + 10
26  browser_tests                       0x0000000112fc09e4 -[BrowserCrApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 164
27  AppKit                              0x00007fffacd973db -[NSApplication run] + 926
28  browser_tests                       0x0000000112e918fc base::MessagePumpNSApplication::DoRun(base::MessagePump::Delegate*) + 364
29  browser_tests                       0x0000000112e9041e base::MessagePumpCFRunLoopBase::Run(base::MessagePump::Delegate*) + 110
30  browser_tests                       0x0000000112eb4815 base::RunLoop::Run() + 53
31  browser_tests                       0x00000001134c5b7d content::RunMessageLoop() + 45
32  browser_tests                       0x0000000112f4e699 InProcessBrowserTest::QuitBrowsers() + 217
33  browser_tests                       0x0000000112f4e578 InProcessBrowserTest::PostRunTestOnMainThread() + 40
34  browser_tests                       0x00000001134a1893 content::BrowserTestBase::ProxyRunTestOnMainThreadLoop() + 963
35  browser_tests                       0x0000000112fc6aa9 ChromeBrowserMainParts::PreMainMessageLoopRunImpl() + 4233
36  browser_tests                       0x0000000112fc591e ChromeBrowserMainParts::PreMainMessageLoopRun() + 62
37  browser_tests                       0x0000000111b60653 content::BrowserMainLoop::PreMainMessageLoopRun() + 67
38  browser_tests                       0x0000000111f20e27 content::StartupTaskRunner::RunAllTasksNow() + 39
39  browser_tests                       0x0000000111b5f22d content::BrowserMainLoop::CreateStartupTasks() + 813
40  browser_tests                       0x0000000111b62812 content::BrowserMainRunnerImpl::Initialize(content::MainFunctionParams const&, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) + 98
41  browser_tests                       0x0000000111b5d2dc content::BrowserMain(content::MainFunctionParams const&, std::__1::unique_ptr<content::BrowserProcessSubThread, std::__1::default_delete<content::BrowserProcessSubThread> >) + 204
42  browser_tests                       0x0000000112e09d38 content::ContentMainRunnerImpl::Run() + 616
43  browser_tests                       0x0000000114acd5a4 service_manager::Main(service_manager::MainParams const&) + 2708
44  browser_tests                       0x0000000112e08d34 content::ContentMain(content::ContentMainParams const&) + 68
45  browser_tests                       0x00000001134a12ee content::BrowserTestBase::SetUp() + 2574
46  browser_tests                       0x0000000112f4d5d8 InProcessBrowserTest::SetUp() + 536
47  browser_tests                       0x00000001110b8ead testing::Test::Run() + 109
48  browser_tests                       0x00000001110b9af0 testing::TestInfo::Run() + 304
49  browser_tests                       0x00000001110ba067 testing::TestCase::Run() + 279
50  browser_tests                       0x00000001110c56c7 testing::internal::UnitTestImpl::RunAllTests() + 855
51  browser_tests                       0x00000001110c534e testing::UnitTest::Run() + 110
52  browser_tests                       0x0000000112f65cd7 base::TestSuite::Run() + 167
53  browser_tests                       0x0000000112e60165 ChromeTestSuiteRunner::RunTestSuite(int, char**) + 37
54  browser_tests                       0x00000001134c2565 content::LaunchTests(content::TestLauncherDelegate*, unsigned long, int, char**) + 389
55  browser_tests                       0x0000000112e6064c LaunchChromeTests(unsigned long, content::TestLauncherDelegate*, int, char**) + 348
56  browser_tests                       0x0000000112e600de main + 94
57  libdyld.dylib                       0x00007fffc4e9c235 start + 1
[369/882] CastStreamingApiTestWithPixelOutput.RtpStreamError (CRASHED)

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c6f50160cd0865f0f5794da8d13ba2f4854fa3a4

commit c6f50160cd0865f0f5794da8d13ba2f4854fa3a4
Author: Max Morin <maxmorin@chromium.org>
Date: Fri May 11 08:50:08 2018

Disable flaky CastStreamingApiTestWithPixelOutput.RtpStreamError

Flaky on Mac

Bug: 841986
Tbr: miu
Change-Id: I8ad9ee53fb175b4d62146e9e5298000ba075d682
Reviewed-on: https://chromium-review.googlesource.com/1054872
Reviewed-by: Max Morin <maxmorin@chromium.org>
Commit-Queue: Max Morin <maxmorin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#557817}
[modify] https://crrev.com/c6f50160cd0865f0f5794da8d13ba2f4854fa3a4/chrome/browser/extensions/api/cast_streaming/cast_streaming_apitest.cc

Assigning to miu@