message: Check feature in Prepare()
diff: @@ -182,10 +182,15 @@ float4 main() : SV_Target0
  )EOSHADER";
  - int main()
  + void Prepare(int argc, char **argv)
  {
  - features.fragmentStoresAndAtomics = true;
  + features.fragmentStoresAndAtomics = VK_TRUE;
  +
  + VulkanGraphicsTest::Prepare(argc, argv);
  + }
  + int main()
  + {
  // initialise, create window, create context, etc
  if(!Init())
  return 3;
  