For example, this one:

Pixel_tests in this one:

https://ci.chromium.org/buildbot/tryserver.chromium.win/win7_chromium_rel_ng/67939


Downloading gs://chromium-gpu-archive/reference-images/Pixel_2DCanvasWebGL_v5_win_10de_1cb3_msaa.png to c:\b\s\w\ityyiawm\tmpp3dznr.png

Traceback (most recent call last):
  _RunGpuTest at content\test\gpu\gpu_tests\gpu_integration_test.py:132
    self.RunActualGpuTest(url, *args)
  RunActualGpuTest at content\test\gpu\gpu_tests\pixel_integration_test.py:157
    ref_png = self._DownloadFromCloudStorage(image_name, page, tab)
  _DownloadFromCloudStorage at content\test\gpu\gpu_tests\cloud_storage_integration_test_base.py:321
    temp_file)
  Get at third_party\catapult\common\py_utils\py_utils\cloud_storage.py:237
    _GetLocked(bucket, remote_path, local_path)
  _GetLocked at third_party\catapult\common\py_utils\py_utils\cloud_storage.py:349
    _RunCommand(['cp', url, partial_download_path.name])
  _RunCommand at third_party\catapult\common\py_utils\py_utils\cloud_storage.py:154
    raise GetErrorObjectForCloudStorageStderr(stderr)
CloudStorageError: Your "Oauth 2.0 User Account" credentials are invalid. For more help, see "gsutil help creds", or re-run the gsutil config command (see "gsutil help config").

Failure: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661).

Locals:
  args       : ['c:\\infra-system\\bin\\python.exe', 'c:\\b\\s\\w\\ir\\third_party\\catapult\\third_party\\gsutil\\gsutil', 'cp', 'gs://chromium-gpu-archive/reference-images/Pixel_2DCanvasWebGL_v5_win_10de_1cb3_msaa.png', 'c:\\b\\s\\w\\ityyiawm\\tmpmewcp4']
  gsutil     : <subprocess.Popen object at 0x0000000004D95C88>
  gsutil_env : None
  stderr     : 'Your "Oauth 2.0 User Account" credentials are invalid. For more help, see "gsutil help creds", or re-run the gsutil config command (see "gsutil help config").\r\nFailure: [SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed (_ssl.c:661).\r\n'
  stdout     : ''

Found crashpad_database_util
No minidump found via crashpad_database_util
No minidump paths to symbolize
Found crashpad_database_util
No minidump found via crashpad_database_util
Restarting browser due to unexpected test failure
Closing browser (pid=4120) ...
[4120:2644:1218/152359.295:INFO:chrome_cryptauth_service.cc(233)] Profile is not authenticated yet; waiting before starting CryptAuth managers.
[4120:2644:1218/152359.556:WARNING:url_request_context_getter.cc(43)] URLRequestContextGetter leaking due to no owning thread.
Successfully shut down browser cooperatively
Browser is closed.
Requested remote debugging port: 0
Starting Chrome ['c:\\b\\s\\w\\ir\\out\\Release\\chrome.exe', '--force-color-profile=srgb', '--test-type=gpu', '--enable-gpu-benchmarking', '--js-flags=--expose-gc', '--enable-logging=stderr', '--ensure-forced-color-profile', '--enable-net-benchmarking', '--metrics-recording-only', '--no-default-browser-check', '--no-first-run', '--enable-gpu-benchmarking', '--autoplay-policy=no-user-gesture-required', '--disable-background-networking', '--proxy-server=socks://localhost:51761', '--ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I=', '--disable-component-extensions-with-background-pages', '--disable-default-apps', '--disable-search-geolocation-disclosure', '--remote-debugging-port=0', '--enable-crash-reporter-for-testing', '--disable-component-update', '--window-size=1280,1024', '--user-data-dir=c:\\b\\s\\w\\ityyiawm\\tmpdzlqnp', 'about:blank']
[4300:5032:1218/152359.637:ERROR:memory_mapped_file.cc(53)] Couldn't open c:\b\s\w\ir\out\Release\chrome_200_percent.pak
[4300:5032:1218/152359.637:ERROR:data_pack.cc(251)] Failed to mmap datapack