gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance_glsl_misc_shader_with_non_reserved_words failing:

https://ci.chromium.org/buildbot/chromium.gpu.fyi/Win10%20FYI%20Debug%20%28NVIDIA%29/393

[339/461] gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance_glsl_misc_shader_with_non_reserved_words failed unexpectedly 322.3610s:
  
  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\webgl_conformance_integration_test.py:204
      getattr(self, test_name)(test_path, *args[1:])
    _RunConformanceTest at content\test\gpu\gpu_tests\webgl_conformance_integration_test.py:218
      self._CheckTestCompletion()
    _CheckTestCompletion at content\test\gpu\gpu_tests\webgl_conformance_integration_test.py:212
      'webglTestHarness._finished', timeout=self._GetTestTimeout())
    traced_function at third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py:52
      return func(*args, **kwargs)
    WaitForJavaScriptCondition at third_party\catapult\telemetry\telemetry\internal\actions\action_runner.py:261
      return self._tab.WaitForJavaScriptCondition(*args, **kwargs)
    traced_function at third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py:52
      return func(*args, **kwargs)
    WaitForJavaScriptCondition at third_party\catapult\telemetry\telemetry\internal\browser\web_contents.py:239
      return self._inspector_backend.WaitForJavaScriptCondition(*args, **kwargs)
    traced_function at third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py:52
      return func(*args, **kwargs)
    WaitForJavaScriptCondition at third_party\catapult\telemetry\telemetry\internal\backends\chrome_inspector\inspector_backend.py:302
      e.message + '\n' + debug_message)
  TimeoutException: Timed out while waiting 300s for IsJavaScriptExpressionTrue.
  Console output:
  
  Locals:
    IsJavaScriptExpressionTrue : <function IsJavaScriptExpressionTrue at 0x000000000749D3C8>
    condition                  : 'webglTestHarness._finished'
    context_id                 : None
    debug_message              : 'Console output:\n'
    e                          : TimeoutException('Timed out while waiting 300s for IsJavaScriptExpressionTrue.',)
    kwargs                     : {}
    timeout                    : 300
  
  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=6780) ...
  Successfully shut down browser cooperatively
  Browser is closed.
  Starting Chrome ['c:\\b\\s\\w\\ir\\out\\Debug\\chrome.exe', '--disable-gpu-watchdog', '--enable-experimental-web-platform-features', '--test-type=gpu', '--disable-domain-blocking-for-3d-apis', '--use-angle=d3d9', '--disable-gpu-process-crash-limit', '--js-flags=--expose-gc', '--enable-logging=stderr', '--autoplay-policy=no-user-gesture-required', '--use-cmd-decoder=validating', '--enable-net-benchmarking', '--metrics-recording-only', '--no-default-browser-check', '--no-first-run', '--enable-gpu-benchmarking', '--deny-permission-prompts', '--autoplay-policy=no-user-gesture-required', '--disable-background-networking', '--disable-component-extensions-with-background-pages', '--disable-default-apps', '--disable-search-geolocation-disclosure', '--proxy-server=socks://localhost:56844', '--ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I=', '--remote-debugging-port=0', '--enable-crash-reporter-for-testing', '--disable-component-update', '--window-size=1280,1024', '--user-data-dir=c:\\b\\s\\w\\itdr7zkw\\tmppws1gl', 'about:blank']
  DoNothingForwarder started between 127.0.0.1:57059 and 57059
  Got devtools config: ws://127.0.0.1:57059/devtools/browser/fd15e1d5-16a9-4636-87e6-f361f7e7113a
  Browser started (pid=1196).
  OS: win win10
  Detailed OS version: 10.0.16299
  Browser command line: "c:\b\s\w\ir\out\Debug\chrome.exe" --disable-gpu-watchdog --enable-experimental-web-platform-features --test-type=gpu --disable-domain-blocking-for-3d-apis --use-angle=d3d9 --disable-gpu-process-crash-limit --js-flags=--expose-gc --enable-logging=stderr --autoplay-policy=no-user-gesture-required --use-cmd-decoder=validating --enable-net-benchmarking --metrics-recording-only --no-default-browser-check --no-first-run --enable-gpu-benchmarking --deny-permission-prompts --autoplay-policy=no-user-gesture-required --disable-background-networking --disable-component-extensions-with-background-pages --disable-default-apps --disable-search-geolocation-disclosure --proxy-server=socks://localhost:56844 --ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I= --remote-debugging-port=0 --enable-crash-reporter-for-testing --disable-component-update --window-size=1280,1024 --user-data-dir="c:\b\s\w\itdr7zkw\tmppws1gl" --flag-switches-begin --flag-switches-end about:blank
  GPU device 0: VENDOR = 0x10de (Nvidia), DEVICE = 0x1cb3
  GPU Attributes:
    amd_switchable      : False
    can_support_threaded_texture_mailbox: False
    direct_composition  : False
    direct_rendering    : True
    driver_date         : 10-30-2017
    driver_vendor       : NVIDIA
    driver_version      : 23.21.13.8816
    encrypted_only      : False
    gl_extensions       : GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_frag_depth GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_fence GL_NV_pack_subimage GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object 
    gl_renderer         : ANGLE (NVIDIA Quadro P400 Direct3D9Ex vs_3_0 ps_3_0)
    gl_reset_notification_strategy: 33362
    gl_vendor           : Google Inc.
    gl_version          : OpenGL ES 2.0 (ANGLE 2.1.0.6807f8265988)
    gl_ws_extensions    : EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled 
    gl_ws_vendor        : Google Inc. (adapter LUID: 0000000000005bd1)
    gl_ws_version       : 1.4 (ANGLE 2.1.0.6807f8265988)
    in_process_gpu      : False
    initialization_time : 0.213218
    jpeg_decode_accelerator_supported: False
    max_framerate_denominator: 1
    max_framerate_numerator: 30
    max_msaa_samples    : 8
    max_resolution_height: 2176
    max_resolution_width: 3840
    min_resolution_height: 48
    min_resolution_width: 48
    optimus             : False
    passthrough_cmd_decoder: False
    pixel_shader_version: 3.0
    process_crash_count : 0
    profile             : 3
    sandboxed           : True
    software_rendering  : False
    supports_overlays   : False
    vertex_shader_version: 3.0
    video_decode_accelerator_flags: 0
  Feature Status:
    2d_canvas           : enabled
    checker_imaging     : enabled_on
    flash_3d            : enabled
    flash_stage3d       : enabled
    flash_stage3d_baseline: enabled
    gpu_compositing     : enabled
    multiple_raster_threads: enabled_on
    native_gpu_memory_buffers: disabled_software
    rasterization       : unavailable_off
    surface_synchronization: enabled_on
    video_decode        : enabled
    viz_display_compositor: disabled_off
    webgl               : enabled
    webgl2              : enabled
  Driver Bug Workarounds:
    clear_uniforms_before_first_program_use
    decode_encode_srgb_for_generatemipmap
    disable_delayed_copy_nv12
    disable_discard_framebuffer
    disable_framebuffer_cmaa
    exit_on_context_lost
    force_cube_complete
    scalarize_vec_and_mat_constructor_args
    texsubimage_faster_than_teximage
  Traceback (most recent call last):
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\testing\serially_executed_browser_test_case.py", line 206, in <lambda>
      return lambda self: based_method(self, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\gpu_integration_test.py", line 132, in _RunGpuTest
      self.RunActualGpuTest(url, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\webgl_conformance_integration_test.py", line 204, in RunActualGpuTest
      getattr(self, test_name)(test_path, *args[1:])
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\webgl_conformance_integration_test.py", line 218, in _RunConformanceTest
      self._CheckTestCompletion()
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\webgl_conformance_integration_test.py", line 212, in _CheckTestCompletion
      'webglTestHarness._finished', timeout=self._GetTestTimeout())
    File "c:\b\s\w\ir\third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py", line 52, in traced_function
      return func(*args, **kwargs)
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\actions\action_runner.py", line 261, in WaitForJavaScriptCondition
      return self._tab.WaitForJavaScriptCondition(*args, **kwargs)
    File "c:\b\s\w\ir\third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py", line 52, in traced_function
      return func(*args, **kwargs)
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\browser\web_contents.py", line 239, in WaitForJavaScriptCondition
      return self._inspector_backend.WaitForJavaScriptCondition(*args, **kwargs)
    File "c:\b\s\w\ir\third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py", line 52, in traced_function
      return func(*args, **kwargs)
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\backends\chrome_inspector\inspector_backend.py", line 302, in WaitForJavaScriptCondition
      e.message + '\n' + debug_message)
  TimeoutException: Timed out while waiting 300s for IsJavaScriptExpressionTrue.
  Console output:



gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance_canvas_canvas_test failing:

https://ci.chromium.org/buildbot/chromium.gpu.fyi/Win10%20FYI%20Debug%20%28NVIDIA%29/370

[27/461] gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance_canvas_canvas_test failed unexpectedly 2.6420s:
  
  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\webgl_conformance_integration_test.py:204
      getattr(self, test_name)(test_path, *args[1:])
    _RunConformanceTest at content\test\gpu\gpu_tests\webgl_conformance_integration_test.py:218
      self._CheckTestCompletion()
    _CheckTestCompletion at content\test\gpu\gpu_tests\webgl_conformance_integration_test.py:214
      self.fail(self._WebGLTestMessages(self.tab))
    fail at .swarming_module\bin\Lib\unittest\case.py:410
      raise self.failureException(msg)
  AssertionError: pixels are 0,0,0,0 expected 64,128,192,255
  at 0, 0 (offset 0) = 0, 0, 0, 0
  FAIL pixels are 0,0,0,0 expected 64,128,192,255
  
  Locals:
    msg : u'pixels are 0,0,0,0 expected 64,128,192,255\nat 0, 0 (offset 0) = 0, 0, 0, 0\nFAIL pixels are 0,0,0,0 expected 64,128,192,255\n'
  
  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=4188) ...
  Successfully shut down browser cooperatively
  Browser is closed.
  Starting Chrome ['c:\\b\\s\\w\\ir\\out\\Debug\\chrome.exe', '--disable-gpu-watchdog', '--enable-experimental-web-platform-features', '--test-type=gpu', '--disable-domain-blocking-for-3d-apis', '--use-angle=d3d9', '--disable-gpu-process-crash-limit', '--js-flags=--expose-gc', '--enable-logging=stderr', '--autoplay-policy=no-user-gesture-required', '--use-cmd-decoder=validating', '--enable-net-benchmarking', '--metrics-recording-only', '--no-default-browser-check', '--no-first-run', '--enable-gpu-benchmarking', '--deny-permission-prompts', '--autoplay-policy=no-user-gesture-required', '--disable-background-networking', '--disable-component-extensions-with-background-pages', '--disable-default-apps', '--disable-search-geolocation-disclosure', '--proxy-server=socks://localhost:54694', '--ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I=', '--remote-debugging-port=0', '--enable-crash-reporter-for-testing', '--disable-component-update', '--window-size=1280,1024', '--user-data-dir=c:\\b\\s\\w\\itpu1bzq\\tmpsgh55n', 'about:blank']
  DoNothingForwarder started between 127.0.0.1:54732 and 54732
  Got devtools config: ws://127.0.0.1:54732/devtools/browser/0a626eb7-7d5b-4865-989d-f4f9e1ba7c72
  Browser started (pid=2744).
  OS: win win10
  Detailed OS version: 10.0.15063
  Browser command line: "c:\b\s\w\ir\out\Debug\chrome.exe" --disable-gpu-watchdog --enable-experimental-web-platform-features --test-type=gpu --disable-domain-blocking-for-3d-apis --use-angle=d3d9 --disable-gpu-process-crash-limit --js-flags=--expose-gc --enable-logging=stderr --autoplay-policy=no-user-gesture-required --use-cmd-decoder=validating --enable-net-benchmarking --metrics-recording-only --no-default-browser-check --no-first-run --enable-gpu-benchmarking --deny-permission-prompts --autoplay-policy=no-user-gesture-required --disable-background-networking --disable-component-extensions-with-background-pages --disable-default-apps --disable-search-geolocation-disclosure --proxy-server=socks://localhost:54694 --ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I= --remote-debugging-port=0 --enable-crash-reporter-for-testing --disable-component-update --window-size=1280,1024 --user-data-dir="c:\b\s\w\itpu1bzq\tmpsgh55n" --flag-switches-begin --flag-switches-end about:blank
  GPU device 0: VENDOR = 0x10de (Nvidia), DEVICE = 0x1cb3
  GPU device 1: VENDOR = 0x102b, DEVICE = 0x534
  GPU Attributes:
    amd_switchable      : False
    can_support_threaded_texture_mailbox: False
    direct_composition  : False
    direct_rendering    : True
    driver_date         : 10-30-2017
    driver_vendor       : NVIDIA
    driver_version      : 23.21.13.8816
    encrypted_only      : False
    gl_extensions       : GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_frag_depth GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_fence GL_NV_pack_subimage GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object 
    gl_renderer         : ANGLE (NVIDIA Quadro P400 Direct3D9Ex vs_3_0 ps_3_0)
    gl_reset_notification_strategy: 33362
    gl_vendor           : Google Inc.
    gl_version          : OpenGL ES 2.0 (ANGLE 2.1.0.6807f8265988)
    gl_ws_extensions    : EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled 
    gl_ws_vendor        : Google Inc. (adapter LUID: 0000000000005240)
    gl_ws_version       : 1.4 (ANGLE 2.1.0.6807f8265988)
    in_process_gpu      : False
    initialization_time : 0.144098
    jpeg_decode_accelerator_supported: False
    max_framerate_denominator: 1
    max_framerate_numerator: 30
    max_msaa_samples    : 8
    max_resolution_height: 2176
    max_resolution_width: 3840
    min_resolution_height: 48
    min_resolution_width: 48
    optimus             : False
    passthrough_cmd_decoder: False
    pixel_shader_version: 3.0
    process_crash_count : 0
    profile             : 3
    sandboxed           : True
    software_rendering  : False
    supports_overlays   : False
    vertex_shader_version: 3.0
    video_decode_accelerator_flags: 0
  Feature Status:
    2d_canvas           : enabled
    checker_imaging     : enabled_on
    flash_3d            : enabled
    flash_stage3d       : enabled
    flash_stage3d_baseline: enabled
    gpu_compositing     : enabled
    multiple_raster_threads: enabled_on
    native_gpu_memory_buffers: disabled_software
    rasterization       : unavailable_off
    surface_synchronization: enabled_on
    video_decode        : enabled
    viz_display_compositor: disabled_off
    webgl               : enabled
    webgl2              : enabled
  Driver Bug Workarounds:
    clear_uniforms_before_first_program_use
    decode_encode_srgb_for_generatemipmap
    disable_delayed_copy_nv12
    disable_discard_framebuffer
    disable_framebuffer_cmaa
    exit_on_context_lost
    force_cube_complete
    scalarize_vec_and_mat_constructor_args
    texsubimage_faster_than_teximage
  Traceback (most recent call last):
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\testing\serially_executed_browser_test_case.py", line 206, in <lambda>
      return lambda self: based_method(self, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\gpu_integration_test.py", line 132, in _RunGpuTest
      self.RunActualGpuTest(url, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\webgl_conformance_integration_test.py", line 204, in RunActualGpuTest
      getattr(self, test_name)(test_path, *args[1:])
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\webgl_conformance_integration_test.py", line 218, in _RunConformanceTest
      self._CheckTestCompletion()
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\webgl_conformance_integration_test.py", line 214, in _CheckTestCompletion
      self.fail(self._WebGLTestMessages(self.tab))
  AssertionError: pixels are 0,0,0,0 expected 64,128,192,255
  at 0, 0 (offset 0) = 0, 0, 0, 0
  FAIL pixels are 0,0,0,0 expected 64,128,192,255



gpu_tests.screenshot_sync_integration_test.ScreenshotSyncIntegrationTest.ScreenshotSync_SWRasterWithDivs failing:

https://ci.chromium.org/buildbot/chromium.gpu.fyi/Win10%20FYI%20Debug%20%28NVIDIA%29/389

[4/4] gpu_tests.screenshot_sync_integration_test.ScreenshotSyncIntegrationTest.ScreenshotSync_SWRasterWithDivs failed unexpectedly 17.7510s:
  
  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\screenshot_sync_integration_test.py:136
      self._CheckScreenshot()
    _CheckScreenshot at content\test\gpu\gpu_tests\screenshot_sync_integration_test.py:128
      self._CheckColorMatchAtLocation(canvasRGB, screenshot, x, y)
    _CheckColorMatchAtLocation at content\test\gpu\gpu_tests\screenshot_sync_integration_test.py:110
      self.fail(error_message)
    fail at .swarming_module\bin\Lib\unittest\case.py:410
      raise self.failureException(msg)
  AssertionError: Color mismatch at (10, 0): expected (71, 42, 89), got (223, 76, 171)
  
  Locals:
    msg : 'Color mismatch at (10, 0): expected (71, 42, 89), got (223, 76, 171)'
  
  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=8612) ...
  Successfully shut down browser cooperatively
  Browser is closed.
  Starting Chrome ['c:\\b\\s\\w\\ir\\out\\Debug\\chrome.exe', '--force-color-profile=srgb', '--disable-gpu-rasterization', '--test-type=gpu', '--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', '--deny-permission-prompts', '--autoplay-policy=no-user-gesture-required', '--disable-background-networking', '--disable-component-extensions-with-background-pages', '--disable-default-apps', '--disable-search-geolocation-disclosure', '--proxy-server=socks://localhost:54125', '--ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I=', '--remote-debugging-port=0', '--enable-crash-reporter-for-testing', '--disable-component-update', '--window-size=1280,1024', '--user-data-dir=c:\\b\\s\\w\\it9mnjgu\\tmp4qgwtv', 'about:blank']
  DoNothingForwarder started between 127.0.0.1:54231 and 54231
  Got devtools config: ws://127.0.0.1:54231/devtools/browser/1e24f7f7-fe24-4e16-9849-b37c990de1c8
  Browser started (pid=8720).
  OS: win win10
  Detailed OS version: 10.0.15063
  Found crashpad_database_util
  Minidump found: c:\b\s\w\it9mnjgu\tmphlulkb\reports\0d4435aa-aa6f-49d2-9e86-dec671bc39ca.dmp
  Uploading c:\b\s\w\it9mnjgu\tmphlulkb\reports\0d4435aa-aa6f-49d2-9e86-dec671bc39ca.dmp to gs://chrome-telemetry-output/minidump-2018-04-04_12-09-13-10941.dmp
  Found crashpad_database_util
  Can't get standard output with --show-stdout
  Failed with BrowserConnectionGoneException while starting the browser backend.
  Browser is closed.
  Browser creation failed (attempt 1 of 3), retrying
  Starting Chrome ['c:\\b\\s\\w\\ir\\out\\Debug\\chrome.exe', '--force-color-profile=srgb', '--disable-gpu-rasterization', '--test-type=gpu', '--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', '--deny-permission-prompts', '--autoplay-policy=no-user-gesture-required', '--disable-background-networking', '--disable-component-extensions-with-background-pages', '--disable-default-apps', '--disable-search-geolocation-disclosure', '--proxy-server=socks://localhost:54125', '--ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I=', '--remote-debugging-port=0', '--enable-crash-reporter-for-testing', '--disable-component-update', '--window-size=1280,1024', '--user-data-dir=c:\\b\\s\\w\\it9mnjgu\\tmp4qgwtv', 'about:blank']
  DoNothingForwarder started between 127.0.0.1:54231 and 54231
  Got devtools config: ws://127.0.0.1:54231/devtools/browser/1e24f7f7-fe24-4e16-9849-b37c990de1c8
  Websocket at ws://127.0.0.1:54231/devtools/browser/1e24f7f7-fe24-4e16-9849-b37c990de1c8 not yet ready: [Errno 10061] No connection could be made because the target machine actively refused it
  DoNothingForwarder started between 127.0.0.1:54246 and 54246
  Got devtools config: ws://127.0.0.1:54246/devtools/browser/f66aa9f2-fd1a-468d-84dc-2f95dd939d93
  Browser started (pid=304).
  OS: win win10
  Detailed OS version: 10.0.15063
  Browser command line: "c:\b\s\w\ir\out\Debug\chrome.exe" --force-color-profile=srgb --disable-gpu-rasterization --test-type=gpu --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 --deny-permission-prompts --autoplay-policy=no-user-gesture-required --disable-background-networking --disable-component-extensions-with-background-pages --disable-default-apps --disable-search-geolocation-disclosure --proxy-server=socks://localhost:54125 --ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I= --remote-debugging-port=0 --enable-crash-reporter-for-testing --disable-component-update --window-size=1280,1024 --user-data-dir="c:\b\s\w\it9mnjgu\tmp4qgwtv" --flag-switches-begin --flag-switches-end about:blank
  GPU device 0: VENDOR = 0x10de (Nvidia), DEVICE = 0x1cb3
  GPU Attributes:
    amd_switchable      : False
    can_support_threaded_texture_mailbox: False
    direct_composition  : True
    direct_rendering    : True
    driver_date         : 10-30-2017
    driver_vendor       : NVIDIA
    driver_version      : 23.21.13.8816
    encrypted_only      : False
    gl_extensions       : GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_lossy_etc_decode GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_compressed_texture GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_discard_framebuffer GL_EXT_disjoint_timer_query GL_EXT_draw_buffers GL_EXT_frag_depth GL_EXT_map_buffer_range GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_sRGB GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_s3tc_srgb GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_rg GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_EGL_stream_consumer_external GL_NV_fence GL_NV_pack_subimage GL_NV_pixel_buffer_object GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_compressed_ETC1_RGB8_texture GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_mapbuffer GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object 
    gl_renderer         : ANGLE (NVIDIA Quadro P400 Direct3D11 vs_5_0 ps_5_0)
    gl_reset_notification_strategy: 33362
    gl_vendor           : Google Inc.
    gl_version          : OpenGL ES 2.0 (ANGLE 2.1.0.6807f8265988)
    gl_ws_extensions    : EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_ANGLE_keyed_mutex EGL_ANGLE_surface_orientation EGL_ANGLE_direct_composition EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_texture_cubemap_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_KHR_stream EGL_KHR_stream_consumer_gltexture EGL_NV_stream_consumer_gltexture_yuv EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_stream_producer_d3d_texture EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_CHROMIUM_sync_control EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled 
    gl_ws_vendor        : Google Inc. (adapter LUID: 0000000000004c2d)
    gl_ws_version       : 1.4 (ANGLE 2.1.0.6807f8265988)
    in_process_gpu      : False
    initialization_time : 0.180529
    jpeg_decode_accelerator_supported: False
    max_framerate_denominator: 1
    max_framerate_numerator: 30
    max_msaa_samples    : 8
    max_resolution_height: 2176
    max_resolution_width: 3840
    min_resolution_height: 16
    min_resolution_width: 16
    optimus             : False
    passthrough_cmd_decoder: True
    pixel_shader_version: 5.0
    process_crash_count : 0
    profile             : 3
    sandboxed           : True
    software_rendering  : False
    supports_overlays   : False
    vertex_shader_version: 5.0
    video_decode_accelerator_flags: 0
  Feature Status:
    2d_canvas           : enabled
    checker_imaging     : enabled_on
    flash_3d            : enabled
    flash_stage3d       : enabled
    flash_stage3d_baseline: enabled
    gpu_compositing     : enabled
    multiple_raster_threads: enabled_on
    native_gpu_memory_buffers: disabled_software
    rasterization       : disabled_software
    surface_synchronization: enabled_on
    video_decode        : enabled
    viz_display_compositor: disabled_off
    webgl               : enabled
    webgl2              : enabled
  Driver Bug Workarounds:
    clear_uniforms_before_first_program_use
    decode_encode_srgb_for_generatemipmap
    disable_delayed_copy_nv12
    disable_discard_framebuffer
    disable_framebuffer_cmaa
    exit_on_context_lost
    force_cube_complete
    scalarize_vec_and_mat_constructor_args
    texsubimage_faster_than_teximage
  Traceback (most recent call last):
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\testing\serially_executed_browser_test_case.py", line 206, in <lambda>
      return lambda self: based_method(self, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\gpu_integration_test.py", line 132, in _RunGpuTest
      self.RunActualGpuTest(url, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\screenshot_sync_integration_test.py", line 136, in RunActualGpuTest
      self._CheckScreenshot()
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\screenshot_sync_integration_test.py", line 128, in _CheckScreenshot
      self._CheckColorMatchAtLocation(canvasRGB, screenshot, x, y)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\screenshot_sync_integration_test.py", line 110, in _CheckColorMatchAtLocation
      self.fail(error_message)
  AssertionError: Color mismatch at (10, 0): expected (71, 42, 89), got (223, 76, 171)



gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance_uniforms_uniform_samplers_test failing

https://ci.chromium.org/buildbot/chromium.gpu.fyi/Win10%20FYI%20Debug%20%28NVIDIA%29/380

[417/461] gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance_uniforms_uniform_samplers_test failed unexpectedly 323.8470s:
  
  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\webgl_conformance_integration_test.py:204
      getattr(self, test_name)(test_path, *args[1:])
    _RunConformanceTest at content\test\gpu\gpu_tests\webgl_conformance_integration_test.py:218
      self._CheckTestCompletion()
    _CheckTestCompletion at content\test\gpu\gpu_tests\webgl_conformance_integration_test.py:212
      'webglTestHarness._finished', timeout=self._GetTestTimeout())
    traced_function at third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py:52
      return func(*args, **kwargs)
    WaitForJavaScriptCondition at third_party\catapult\telemetry\telemetry\internal\actions\action_runner.py:261
      return self._tab.WaitForJavaScriptCondition(*args, **kwargs)
    traced_function at third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py:52
      return func(*args, **kwargs)
    WaitForJavaScriptCondition at third_party\catapult\telemetry\telemetry\internal\browser\web_contents.py:239
      return self._inspector_backend.WaitForJavaScriptCondition(*args, **kwargs)
    traced_function at third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py:52
      return func(*args, **kwargs)
    WaitForJavaScriptCondition at third_party\catapult\telemetry\telemetry\internal\backends\chrome_inspector\inspector_backend.py:302
      e.message + '\n' + debug_message)
  TimeoutException: Timed out while waiting 300s for IsJavaScriptExpressionTrue.
  Console output:
  
  Locals:
    IsJavaScriptExpressionTrue : <function IsJavaScriptExpressionTrue at 0x0000000005AC8DD8>
    condition                  : 'webglTestHarness._finished'
    context_id                 : None
    debug_message              : 'Console output:\n'
    e                          : TimeoutException('Timed out while waiting 300s for IsJavaScriptExpressionTrue.',)
    kwargs                     : {}
    timeout                    : 300
  
  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=1260) ...
  Successfully shut down browser cooperatively
  Browser is closed.
  Starting Chrome ['c:\\b\\s\\w\\ir\\out\\Debug\\chrome.exe', '--disable-gpu-watchdog', '--enable-experimental-web-platform-features', '--test-type=gpu', '--disable-domain-blocking-for-3d-apis', '--use-angle=d3d9', '--disable-gpu-process-crash-limit', '--use-cmd-decoder=passthrough', '--js-flags=--expose-gc', '--enable-logging=stderr', '--autoplay-policy=no-user-gesture-required', '--enable-net-benchmarking', '--metrics-recording-only', '--no-default-browser-check', '--no-first-run', '--enable-gpu-benchmarking', '--deny-permission-prompts', '--autoplay-policy=no-user-gesture-required', '--disable-background-networking', '--disable-component-extensions-with-background-pages', '--disable-default-apps', '--disable-search-geolocation-disclosure', '--proxy-server=socks://localhost:58365', '--ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I=', '--remote-debugging-port=0', '--enable-crash-reporter-for-testing', '--disable-component-update', '--window-size=1280,1024', '--user-data-dir=c:\\b\\s\\w\\ithadsit\\tmpdhrzhj', 'about:blank']
  DoNothingForwarder started between 127.0.0.1:58827 and 58827
  Got devtools config: ws://127.0.0.1:58827/devtools/browser/328415d8-fbfd-4d62-ab63-edf5710bedb7
  Browser started (pid=8168).
  OS: win win10
  Detailed OS version: 10.0.15063
  Browser command line: "c:\b\s\w\ir\out\Debug\chrome.exe" --disable-gpu-watchdog --enable-experimental-web-platform-features --test-type=gpu --disable-domain-blocking-for-3d-apis --use-angle=d3d9 --disable-gpu-process-crash-limit --use-cmd-decoder=passthrough --js-flags=--expose-gc --enable-logging=stderr --autoplay-policy=no-user-gesture-required --enable-net-benchmarking --metrics-recording-only --no-default-browser-check --no-first-run --enable-gpu-benchmarking --deny-permission-prompts --autoplay-policy=no-user-gesture-required --disable-background-networking --disable-component-extensions-with-background-pages --disable-default-apps --disable-search-geolocation-disclosure --proxy-server=socks://localhost:58365 --ignore-certificate-errors-spki-list=PhrPvGIaAMmd29hj8BCZOq096yj7uMpRNHpn5PDxI6I= --remote-debugging-port=0 --enable-crash-reporter-for-testing --disable-component-update --window-size=1280,1024 --user-data-dir="c:\b\s\w\ithadsit\tmpdhrzhj" --flag-switches-begin --flag-switches-end about:blank
  GPU device 0: VENDOR = 0x10de (Nvidia), DEVICE = 0x1cb3
  GPU Attributes:
    amd_switchable      : False
    can_support_threaded_texture_mailbox: False
    direct_composition  : False
    direct_rendering    : True
    driver_date         : 10-30-2017
    driver_vendor       : NVIDIA
    driver_version      : 23.21.13.8816
    encrypted_only      : False
    gl_extensions       : GL_ANGLE_client_arrays GL_ANGLE_depth_texture GL_ANGLE_framebuffer_blit GL_ANGLE_framebuffer_multisample GL_ANGLE_instanced_arrays GL_ANGLE_pack_reverse_row_order GL_ANGLE_program_cache_control GL_ANGLE_request_extension GL_ANGLE_robust_client_memory GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 GL_ANGLE_texture_usage GL_ANGLE_translated_shader_source GL_CHROMIUM_bind_generates_resource GL_CHROMIUM_bind_uniform_location GL_CHROMIUM_color_buffer_float_rgb GL_CHROMIUM_color_buffer_float_rgba GL_CHROMIUM_copy_texture GL_CHROMIUM_sync_query GL_EXT_blend_minmax GL_EXT_color_buffer_half_float GL_EXT_debug_marker GL_EXT_frag_depth GL_EXT_occlusion_query_boolean GL_EXT_read_format_bgra GL_EXT_robustness GL_EXT_shader_texture_lod GL_EXT_texture_compression_dxt1 GL_EXT_texture_filter_anisotropic GL_EXT_texture_format_BGRA8888 GL_EXT_texture_storage GL_EXT_unpack_subimage GL_KHR_debug GL_NV_fence GL_NV_pack_subimage GL_OES_EGL_image GL_OES_EGL_image_external GL_OES_depth32 GL_OES_element_index_uint GL_OES_get_program_binary GL_OES_packed_depth_stencil GL_OES_rgb8_rgba8 GL_OES_standard_derivatives GL_OES_surfaceless_context GL_OES_texture_float GL_OES_texture_float_linear GL_OES_texture_half_float GL_OES_texture_half_float_linear GL_OES_texture_npot GL_OES_vertex_array_object 
    gl_renderer         : ANGLE (NVIDIA Quadro P400 Direct3D9Ex vs_3_0 ps_3_0)
    gl_reset_notification_strategy: 33362
    gl_vendor           : Google Inc.
    gl_version          : OpenGL ES 2.0 (ANGLE 2.1.0.6807f8265988)
    gl_ws_extensions    : EGL_EXT_create_context_robustness EGL_ANGLE_d3d_share_handle_client_buffer EGL_ANGLE_d3d_texture_client_buffer EGL_ANGLE_surface_d3d_texture_2d_share_handle EGL_ANGLE_query_surface_pointer EGL_ANGLE_window_fixed_size EGL_NV_post_sub_buffer EGL_KHR_create_context EGL_EXT_device_query EGL_KHR_image EGL_KHR_image_base EGL_KHR_gl_texture_2D_image EGL_KHR_gl_renderbuffer_image EGL_KHR_get_all_proc_addresses EGL_ANGLE_flexible_surface_compatibility EGL_ANGLE_create_context_webgl_compatibility EGL_CHROMIUM_create_context_bind_generates_resource EGL_EXT_pixel_format_float EGL_KHR_surfaceless_context EGL_ANGLE_display_texture_share_group EGL_ANGLE_create_context_client_arrays EGL_ANGLE_program_cache_control EGL_ANGLE_robust_resource_initialization EGL_ANGLE_create_context_extensions_enabled 
    gl_ws_vendor        : Google Inc. (adapter LUID: 0000000000004a07)
    gl_ws_version       : 1.4 (ANGLE 2.1.0.6807f8265988)
    in_process_gpu      : False
    initialization_time : 0.140872
    jpeg_decode_accelerator_supported: False
    max_framerate_denominator: 1
    max_framerate_numerator: 30
    max_msaa_samples    : 8
    max_resolution_height: 2176
    max_resolution_width: 3840
    min_resolution_height: 48
    min_resolution_width: 48
    optimus             : False
    passthrough_cmd_decoder: True
    pixel_shader_version: 3.0
    process_crash_count : 0
    profile             : 3
    sandboxed           : True
    software_rendering  : False
    supports_overlays   : False
    vertex_shader_version: 3.0
    video_decode_accelerator_flags: 0
  Feature Status:
    2d_canvas           : enabled
    checker_imaging     : enabled_on
    flash_3d            : enabled
    flash_stage3d       : enabled
    flash_stage3d_baseline: enabled
    gpu_compositing     : enabled
    multiple_raster_threads: enabled_on
    native_gpu_memory_buffers: disabled_software
    rasterization       : unavailable_off
    surface_synchronization: enabled_on
    video_decode        : enabled
    viz_display_compositor: disabled_off
    webgl               : enabled
    webgl2              : enabled
  Driver Bug Workarounds:
    clear_uniforms_before_first_program_use
    decode_encode_srgb_for_generatemipmap
    disable_delayed_copy_nv12
    disable_discard_framebuffer
    disable_framebuffer_cmaa
    exit_on_context_lost
    force_cube_complete
    scalarize_vec_and_mat_constructor_args
    texsubimage_faster_than_teximage
  Traceback (most recent call last):
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\testing\serially_executed_browser_test_case.py", line 206, in <lambda>
      return lambda self: based_method(self, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\gpu_integration_test.py", line 132, in _RunGpuTest
      self.RunActualGpuTest(url, *args)
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\webgl_conformance_integration_test.py", line 204, in RunActualGpuTest
      getattr(self, test_name)(test_path, *args[1:])
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\webgl_conformance_integration_test.py", line 218, in _RunConformanceTest
      self._CheckTestCompletion()
    File "c:\b\s\w\ir\content\test\gpu\gpu_tests\webgl_conformance_integration_test.py", line 212, in _CheckTestCompletion
      'webglTestHarness._finished', timeout=self._GetTestTimeout())
    File "c:\b\s\w\ir\third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py", line 52, in traced_function
      return func(*args, **kwargs)
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\actions\action_runner.py", line 261, in WaitForJavaScriptCondition
      return self._tab.WaitForJavaScriptCondition(*args, **kwargs)
    File "c:\b\s\w\ir\third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py", line 52, in traced_function
      return func(*args, **kwargs)
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\browser\web_contents.py", line 239, in WaitForJavaScriptCondition
      return self._inspector_backend.WaitForJavaScriptCondition(*args, **kwargs)
    File "c:\b\s\w\ir\third_party\catapult\common\py_trace_event\py_trace_event\trace_event_impl\decorators.py", line 52, in traced_function
      return func(*args, **kwargs)
    File "c:\b\s\w\ir\third_party\catapult\telemetry\telemetry\internal\backends\chrome_inspector\inspector_backend.py", line 302, in WaitForJavaScriptCondition
      e.message + '\n' + debug_message)
  TimeoutException: Timed out while waiting 300s for IsJavaScriptExpressionTrue.
  Console output:


Since these are all one-time flaky tests on the same bot, maybe it's because of the bot and not specific tests?