Add flake expectations

No-Try: true
Bug: 40223285, 352379272
Change-Id: I153a9f912ad394aa03789a4360a9fcf2fbc71a0d
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/197815
Auto-Submit: Kai Ninomiya <kainino@chromium.org>
Bot-Commit: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: rubber-stamper@appspot.gserviceaccount.com <rubber-stamper@appspot.gserviceaccount.com>
diff --git a/webgpu-cts/expectations.txt b/webgpu-cts/expectations.txt
index ffb1801..63e9669 100644
--- a/webgpu-cts/expectations.txt
+++ b/webgpu-cts/expectations.txt
@@ -2086,6 +2086,12 @@
 crbug.com/331316080 [ intel-0x4680 win10 ] webgpu:web_platform,copyToTexture,ImageBitmap:from_canvas:orientation="none";colorSpaceConversion="default";srcFlipYInCopy=false;dstFormat="rg32float";dstPremultiplied=false [ Failure ]
 crbug.com/331316080 [ intel-0x4680 win10 ] webgpu:web_platform,copyToTexture,ImageBitmap:from_canvas:orientation="none";colorSpaceConversion="default";srcFlipYInCopy=false;dstFormat="rg32float";dstPremultiplied=true [ Failure ]
 
+crbug.com/40223285 [ win10 webgpu-adapter-default webgpu-dedicated-worker ] webgpu:web_platform,copyToTexture,ImageBitmap:from_ImageData:* [ RetryOnFailure ]
+crbug.com/40223285 [ win10 webgpu-adapter-default webgpu-service-worker ] webgpu:web_platform,copyToTexture,ImageBitmap:from_ImageData:* [ RetryOnFailure ]
+crbug.com/40223285 [ win10 webgpu-adapter-default webgpu-shared-worker ] webgpu:web_platform,copyToTexture,ImageBitmap:from_ImageData:* [ RetryOnFailure ]
+
+crbug.com/352379272 [ mac amd-0x67ef ] webgpu:web_platform,copyToTexture,video:copy_from_video:* [ RetryOnFailure ]
+
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