Suppress RegressionDawn1083 with depth32float-stencil8 Mac AMD

Bug: dawn:1651
Change-Id: I2f8977ba5793d90419bd27cb7381fceaa4cb891c
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/118601
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Loko Kung <lokokung@google.com>
Commit-Queue: Austin Eng <enga@chromium.org>
diff --git a/src/dawn/tests/end2end/DepthStencilCopyTests.cpp b/src/dawn/tests/end2end/DepthStencilCopyTests.cpp
index 2e1a738..37d04cb 100644
--- a/src/dawn/tests/end2end/DepthStencilCopyTests.cpp
+++ b/src/dawn/tests/end2end/DepthStencilCopyTests.cpp
@@ -928,6 +928,10 @@
     // TODO(crbug.com/dawn/1648): Diagnose failure on NVIDIA GLES.
     DAWN_SUPPRESS_TEST_IF(IsOpenGLES() && IsNvidia());
 
+    // TODO(crbug.com/dawn/1651): Failing on Mac AMD.
+    DAWN_SUPPRESS_TEST_IF(IsAMD() && IsMetal() &&
+                          GetParam().mTextureFormat == wgpu::TextureFormat::Depth32FloatStencil8);
+
     uint32_t mipLevelCount = 3;
     uint32_t arrayLayerCount = 3;
     wgpu::TextureDescriptor texDesc = {};