message: Fix crash when tests are run on linux
diff: @@ -6,7 +6,8 @@ class D3D12_Descriptor_Indexing(rdtest.TestCase):
  demos_test_name = 'D3D12_Descriptor_Indexing'
  def check_support(self):
  - if rd.GetConfigSetting("D3D12_Experimental_BindlessFeedback").AsBool() is False:
  + cfg = rd.GetConfigSetting("D3D12_Experimental_BindlessFeedback")
  + if cfg is not None and cfg.AsBool() is False:
  return False, 'Bindless feedback is not enabled'
  return super().check_support()
  