Enable WGSLUnsortedStructIO test

Tint now sorts struct members with entry point IO attributes.

Bug: tint:710
Change-Id: I7bb37cab2f101fbcf55dd8b42ee3b3af1250bf1a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/47840
Commit-Queue: Brandon Jones <bajones@chromium.org>
Auto-Submit: James Price <jrprice@google.com>
Reviewed-by: Brandon Jones <bajones@chromium.org>
diff --git a/src/tests/end2end/ShaderTests.cpp b/src/tests/end2end/ShaderTests.cpp
index cdc9abe..6af57c2 100644
--- a/src/tests/end2end/ShaderTests.cpp
+++ b/src/tests/end2end/ShaderTests.cpp
@@ -215,9 +215,6 @@
 
 // Tests that shaders I/O structs that us compatible locations but are not sorted by hand can link.
 TEST_P(ShaderTests, WGSLUnsortedStructIO) {
-    // TODO(tint:710): Tint has a known issue with sorting structs in HLSL.
-    DAWN_SKIP_TEST_IF(IsD3D12());
-
     std::string vertexShader = R"(
 struct VertexIn {
     [[location(0)]] position : vec3<f32>;