Sheriff: disable some painting web tests on Mac 11

Bug: 1323626, 1323627
Change-Id: I08e7e408d809b175e16191f3d88484a7be9aec87
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3634169
Auto-Submit: Lingqi Chi <lingqi@chromium.org>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Lingqi Chi <lingqi@chromium.org>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1000885}
diff --git a/third_party/blink/web_tests/TestExpectations b/third_party/blink/web_tests/TestExpectations
index 9386ffe..1a0b499 100644
--- a/third_party/blink/web_tests/TestExpectations
+++ b/third_party/blink/web_tests/TestExpectations
@@ -6931,3 +6931,8 @@
 # Sheriff 2022-05-06
 crbug.com/1322072 external/wpt/fetch/content-type/script.window.html [ Failure Pass ]
 crbug.com/1286883 [ Mac ] fast/canvas/OffscreenCanvas-Bitmaprenderer-toBlob.html [ Failure Pass ]
+
+# Sheriff 2022-05-09
+crbug.com/1323626 [ Mac11 ] compositing/lots-of-img-layers.html [ Failure Pass ]
+crbug.com/1323626 [ Mac11 ] compositing/lots-of-img-layers-with-opacity.html [ Failure Pass ]
+crbug.com/1323627 [ Mac11 ] virtual/gpu-rasterization/images/color-profile-svg-foreign-object.html [ Failure Pass ]