Suppress test failure on Vulkan

BUG=dawn:16

Change-Id: I8d0ae82d379ff092e1d585f2b69dd6226aa55c39
Reviewed-on: https://dawn-review.googlesource.com/c/1820
Reviewed-by: Jiawei Shao <jiawei.shao@intel.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
diff --git a/src/tests/DawnTest.cpp b/src/tests/DawnTest.cpp
index a770b42..ad88763 100644
--- a/src/tests/DawnTest.cpp
+++ b/src/tests/DawnTest.cpp
@@ -96,6 +96,14 @@
         DawnTest* test;
         size_t slot;
     };
+
+    constexpr uint32_t kVendorID_AMD = 0x1002;
+    constexpr uint32_t kVendorID_ARM = 0x13B5;
+    constexpr uint32_t kVendorID_ImgTec = 0x1010;
+    constexpr uint32_t kVendorID_Intel = 0x8086;
+    constexpr uint32_t kVendorID_Nvidia = 0x10DE;
+    constexpr uint32_t kVendorID_Qualcomm = 0x5143;
+
 }  // namespace
 
 DawnTest::DawnTest() = default;