Roll third_party/webgpu-cts/ a4af861a0..70b970834 (1 commit)

Regenerated:
 - expectations.txt
 - compat-expectations.txt
 - ts_sources.txt
 - test_list.txt
 - resource_files.txt
 - webtest .html files


https://chromium.googlesource.com/external/github.com/gpuweb/cts/+log/a4af861a04b9..70b970834c4f
 - 70b970 Skip quadBroadcast/quadSwap split tests when subgroup size < 8 (#4656)

Created with './tools/run cts roll'

Cq-Include-Trybots: luci.chromium.try:android-dawn-arm-rel,android-dawn-arm64-rel,dawn-try-linux-x64-intel-uhd770-rel,dawn-try-mac-amd-exp,dawn-try-mac-arm64-m2-exp,dawn-try-mac-intel-exp,dawn-try-win-x64-intel-uhd770-rel,dawn-try-win10-x86-rel,linux-dawn-rel,mac-arm64-dawn-rel,mac-dawn-rel,win-dawn-rel
Include-Ci-Only-Tests: true
Change-Id: I03b339c0036816c23dd44be826477b252922b026
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/314015
Reviewed-by: Shrek Shao <shrekshao@google.com>
Bot-Commit: Dawn Automated Expectations <dawn-automated-expectations@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Shrek Shao <shrekshao@google.com>
diff --git a/DEPS b/DEPS
index 83434a5..06bd848 100644
--- a/DEPS
+++ b/DEPS
@@ -411,7 +411,7 @@
 
   # WebGPU CTS - Used both by the dawn_node tests and transitively by Chromium.
   'third_party/webgpu-cts': {
-    'url': '{chromium_git}/external/github.com/gpuweb/cts@a4af861a04b92891b06e34f7fbee538f4b9f5ed2',
+    'url': '{chromium_git}/external/github.com/gpuweb/cts@70b970834c4f73c9e6171e4e8832039e1f22e291',
     'condition': 'build_with_chromium or dawn_standalone',
   },
 
diff --git a/third_party/webgpu-cts b/third_party/webgpu-cts
index a4af861..70b9708 160000
--- a/third_party/webgpu-cts
+++ b/third_party/webgpu-cts
@@ -1 +1 @@
-Subproject commit a4af861a04b92891b06e34f7fbee538f4b9f5ed2
+Subproject commit 70b970834c4f73c9e6171e4e8832039e1f22e291
diff --git a/webgpu-cts/compat-expectations.txt b/webgpu-cts/compat-expectations.txt
index 2b21017..f726c59 100644
--- a/webgpu-cts/compat-expectations.txt
+++ b/webgpu-cts/compat-expectations.txt
@@ -91,7 +91,7 @@
 # results: [ Failure RetryOnFailure Skip Slow ]
 # END TAG HEADER
 
-# Last rolled: 2026-06-03 07:45:45AM
+# Last rolled: 2026-06-05 08:17:40AM
 
 # conflicts_allowed: true
 # full_wildcard_support: true
@@ -2558,6 +2558,7 @@
 crbug.com/0000 [ intel-0x9bc5 linux ] webgpu:api,operation,rendering,3d_texture_slices:one_color_attachment,mip_levels:format="rgba8unorm-srgb";mipLevel=0;depthSlice=0 [ Failure ]
 crbug.com/0000 [ intel-0x9bc5 linux ] webgpu:api,operation,rendering,3d_texture_slices:one_color_attachment,mip_levels:format="rgba8unorm-srgb";mipLevel=1;depthSlice=0 [ Failure ]
 crbug.com/0000 [ intel-0x9bc5 linux ] webgpu:api,operation,rendering,3d_texture_slices:one_color_attachment,mip_levels:format="rgba8unorm-srgb";mipLevel=1;depthSlice=1 [ Failure ]
+crbug.com/0000 [ intel linux ] webgpu:api,operation,rendering,3d_texture_slices:one_color_attachment,mip_levels:format="rgba8unorm-srgb";mipLevel=2;depthSlice=0 [ Failure ]
 crbug.com/0000 [ intel linux ] webgpu:api,operation,rendering,3d_texture_slices:one_color_attachment,mip_levels:format="rgba8unorm-srgb";mipLevel=2;depthSlice=1 [ Failure ]
 crbug.com/0000 [ intel-0x9bc5 linux renderer-skia-gl ] webgpu:api,operation,texture_view,texture_component_swizzle:read_swizzle:format="astc-10x10-unorm";func="textureGather" [ Failure ]
 crbug.com/0000 [ intel-0x9bc5 linux renderer-skia-gl ] webgpu:api,operation,texture_view,texture_component_swizzle:read_swizzle:format="astc-10x10-unorm";func="textureLoad" [ Failure ]
diff --git a/webgpu-cts/expectations.txt b/webgpu-cts/expectations.txt
index 5982a90..b09ed27 100644
--- a/webgpu-cts/expectations.txt
+++ b/webgpu-cts/expectations.txt
@@ -91,7 +91,7 @@
 # results: [ Failure RetryOnFailure Skip Slow ]
 # END TAG HEADER
 
-# Last rolled: 2026-06-03 07:45:45AM
+# Last rolled: 2026-06-05 08:17:40AM
 
 # conflicts_allowed: true
 # full_wildcard_support: true
@@ -1480,6 +1480,7 @@
 crbug.com/0000 [ android-pixel-4 ] webgpu:api,operation,rendering,stencil:stencil_accumulation:format="depth24plus-stencil8" [ Failure ]
 crbug.com/0000 [ android-pixel-4 ] webgpu:api,operation,rendering,stencil:stencil_accumulation:format="depth32float-stencil8" [ Failure ]
 crbug.com/0000 [ amd-0x7340 dawn-no-backend-validation mac ] webgpu:api,operation,resource_init,texture_zero:uninitialized_texture_is_zero:dimension="2d";readMethod="DepthTest";format="depth24plus-stencil8" [ Failure ]
+crbug.com/0000 [ amd mac ] webgpu:api,operation,resource_init,texture_zero:uninitialized_texture_is_zero:dimension="2d";readMethod="DepthTest";format="depth32float-stencil8" [ Failure ]
 crbug.com/0000 [ amd-0x7340 dawn-no-backend-validation mac ] webgpu:api,operation,resource_init,texture_zero:uninitialized_texture_is_zero:dimension="2d";readMethod="StencilTest";format="stencil8" [ Failure ]
 crbug.com/0000 [ linux nvidia ] webgpu:api,operation,resource_init,texture_zero:uninitialized_texture_is_zero:dimension="2d";readMethod="StencilTest";format="stencil8" [ Failure ]
 crbug.com/0000 [ android-pixel-4 ] webgpu:api,operation,storage_texture,read_only:basic:format="r16snorm";shaderStage="compute";dimension="1d";depthOrArrayLayers=1 [ Failure ]
@@ -1839,6 +1840,7 @@
 crbug.com/0000 [ linux nvidia ] webgpu:api,validation,capability_checks,limits,maxStorageBuffersInVertexStage:createPipeline,at_over:limitTest="underDefault";testValueName="overLimit";async=true [ Failure ]
 crbug.com/0000 [ intel linux ] webgpu:api,validation,capability_checks,limits,maxStorageBuffersPerShaderStage:createPipeline,at_over:limitTest="atDefault";testValueName="overLimit";async=false;bindingCombination="compute" [ Failure ]
 crbug.com/0000 [ intel linux ] webgpu:api,validation,capability_checks,limits,maxStorageBuffersPerShaderStage:createPipeline,at_over:limitTest="atDefault";testValueName="overLimit";async=false;bindingCombination="fragment" [ Failure ]
+crbug.com/0000 [ amd mac ] webgpu:api,validation,capability_checks,limits,maxStorageBuffersPerShaderStage:createPipeline,at_over:limitTest="atDefault";testValueName="overLimit";async=false;bindingCombination="vertexAndFragmentWithPossibleFragmentStageOverflow" [ Failure ]
 crbug.com/0000 [ intel linux ] webgpu:api,validation,capability_checks,limits,maxStorageBuffersPerShaderStage:createPipeline,at_over:limitTest="atDefault";testValueName="overLimit";async=false;bindingCombination="vertexAndFragmentWithPossibleFragmentStageOverflow" [ Failure ]
 crbug.com/0000 [ linux nvidia ] webgpu:api,validation,capability_checks,limits,maxStorageBuffersPerShaderStage:createPipeline,at_over:limitTest="atDefault";testValueName="overLimit";async=true;bindingCombination="vertexAndFragmentWithPossibleVertexStageOverflow" [ Failure ]
 crbug.com/0000 [ intel linux ] webgpu:api,validation,capability_checks,limits,maxStorageBuffersPerShaderStage:createPipeline,at_over:limitTest="atMaximum";testValueName="overLimit";async=false;bindingCombination="fragment" [ Failure ]
@@ -1861,6 +1863,7 @@
 crbug.com/0000 [ intel linux ] webgpu:api,validation,capability_checks,limits,maxStorageTexturesPerShaderStage:createPipeline,at_over:limitTest="atDefault";testValueName="overLimit";async=true;bindingCombination="compute";access="read-write" [ Failure ]
 crbug.com/0000 [ intel win ] webgpu:api,validation,capability_checks,limits,maxStorageTexturesPerShaderStage:createPipeline,at_over:limitTest="atMaximum";testValueName="atLimit";async=false;bindingCombination="fragment";access="read-write" [ Failure ]
 crbug.com/0000 [ linux nvidia ] webgpu:api,validation,capability_checks,limits,maxStorageTexturesPerShaderStage:createPipeline,at_over:limitTest="atMaximum";testValueName="atLimit";async=true;bindingCombination="compute";access="write-only" [ Failure ]
+crbug.com/0000 [ intel win ] webgpu:api,validation,capability_checks,limits,maxStorageTexturesPerShaderStage:createPipeline,at_over:limitTest="atMaximum";testValueName="overLimit";async=false;bindingCombination="compute";access="read-only" [ Failure ]
 crbug.com/0000 [ dawn-no-backend-validation intel-0x9bc5 release-x64 target-cpu-64 webgpu-dxc-enabled win ] webgpu:api,validation,capability_checks,limits,maxStorageTexturesPerShaderStage:createPipeline,at_over:limitTest="betweenDefaultAndMaximum";testValueName="atLimit";async=false;bindingCombination="fragment";access="read-only" [ Failure ]
 crbug.com/0000 [ android-pixel-6 android-t ] webgpu:api,validation,capability_checks,limits,maxStorageTexturesPerShaderStage:createPipeline,at_over:limitTest="betweenDefaultAndMaximum";testValueName="atLimit";async=false;bindingCombination="vertex";access="read-only" [ Failure ]
 crbug.com/0000 [ android-14 android-pixel-6 ] webgpu:api,validation,capability_checks,limits,maxStorageTexturesPerShaderStage:createPipeline,at_over:limitTest="underDefault";testValueName="overLimit";async=true;bindingCombination="fragment";access="read-write" [ Failure ]