[SYCL] Temporary disable vector_integer tests on GPU.

Signed-off-by: Vladimir Lazarev <vladimir.lazarev@intel.com>

Author: vladimirlaz

sycl/test/built-ins/vector_integer.cpp

@@ -1,7 +1,7 @@
 // RUN: %clang -std=c++11 -fsycl %s -o %t.out -lstdc++ -lOpenCL -lsycl
 // RUN: env SYCL_DEVICE_TYPE=HOST %t.out
 // RUN: %CPU_RUN_PLACEHOLDER %t.out
-// RUN: %GPU_RUN_PLACEHOLDER %t.out
+// RUNx: %GPU_RUN_PLACEHOLDER %t.out
 // RUN: %ACC_RUN_PLACEHOLDER %t.out
 
 #include <CL/sycl.hpp>
@@ -179,4 +179,4 @@ int main() {
   }
 
   return 0;
-}
+}