Disable DepthStencilSamplingTest for D3D12 + tint

Bug: tint:684
Change-Id: Iff76442349da1a399c7460a1a6ce047229b0ab88
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/46371
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>

src/tests/end2end/DepthStencilSamplingTests.cpp

@@ -57,6 +57,9 @@ class DepthStencilSamplingTest : public DawnTest {
     void SetUp() override {
         DawnTest::SetUp();
 
+        // TODO(crbug.com/tint/684): Shaders compile, tests fail.
+        DAWN_SKIP_TEST_IF(IsD3D12() && HasToggleEnabled("use_tint_generator"));
+
         wgpu::BufferDescriptor uniformBufferDesc;
         uniformBufferDesc.usage = wgpu::BufferUsage::Uniform | wgpu::BufferUsage::CopyDst;
         uniformBufferDesc.size = sizeof(float);