ScreenshotSync_GPURasterWithCanvas (gpu_tests.screenshot_sync_integration_test.ScreenshotSyncIntegrationTest) failing on chromium.gpu/Mac 10.10 Retina Release (AMD)

Type: build-failure

Builders failed on: 
- Mac 10.10 Retina Release (AMD): 

https://luci-milo.appspot.com/buildbot/chromium.gpu/Mac%2010.10%20Retina%20Release%20%28AMD%29/25655



Output:
======================================================================
ERROR: ScreenshotSync_GPURasterWithCanvas (gpu_tests.screenshot_sync_integration_test.ScreenshotSyncIntegrationTest)
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Traceback (most recent call last):
  File "/b/s/w/iriTICHz/content/test/gpu/gpu_tests/gpu_integration_test.py", line 191, in setUp
    self._EnsureTabIsAvailable()
  File "/b/s/w/iriTICHz/content/test/gpu/gpu_tests/gpu_integration_test.py", line 182, in _EnsureTabIsAvailable
    cls.tab = cls.browser.tabs[0]
  File "/b/s/w/iriTICHz/third_party/catapult/telemetry/telemetry/internal/browser/tab_list.py", line 18, in __getitem__
    return self._tab_list_backend.__getitem__(index)
  File "/b/s/w/iriTICHz/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend_list.py", line 64, in __getitem__
    return self.GetBackendFromContextId(context_id)
  File "/b/s/w/iriTICHz/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend_list.py", line 78, in GetBackendFromContextId
    raise e
TimeoutException: 
********************************************************************************
(/b/s/w/iriTICHz/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py:483 _ConvertExceptionFromInspectorWebsocket) The app is probably crashed:

Found Minidump: False
Stack Trace:
********************************************************************************
	No crash dump found.