[DeviceASAN][test] Update shadow-virtual-mem.cpp (#16917)

1. not treating not having two GPU devices as an error, but skip the
test instead.
2. If the two GPU devices are not the same model, skip the test(not our
targeted setup).

sycl/test-e2e/AddressSanitizer/dependency/shadow-virtual-mem.cpp

@@ -54,13 +54,22 @@ int main() {
 
   // Check if we have at least two GPU devices
   if (gpuDevices.size() < 2) {
-    std::cerr << "Less than two GPU devices found." << std::endl;
-    return 1;
+    std::cerr << "Less than two GPU devices found, skipped." << std::endl;
+    return 0;
   }
 
   // Create contexts for the first two GPU devices
   auto dev1 = gpuDevices[0];
   auto dev2 = gpuDevices[1];
+
+  // Check if two devices are the same model
+  std::string dev1_name = dev1.get_info<sycl::info::device::name>();
+  std::string dev2_name = dev2.get_info<sycl::info::device::name>();
+  if (dev1_name != dev2_name) {
+    std::cerr << "Two different devices, skipped." << std::endl;
+    return 0;
+  }
+
   sycl::context context1_d1(dev1);
   sycl::context context2_d1(dev1);
   sycl::context context_d2(dev2);