message: Add the missing GPU configs to avoid the division by zero (gflops) error.
diff: @@ -93,7 +93,10 @@ class ClusterTest(test.TestCase):
  mg = meta_graph.create_meta_graph_def(graph=g)
  grappler_item = item.Item(mg)
  device_properties = device_properties_pb2.DeviceProperties(
  - type='GPU', environment={
  + type='GPU',
  + frequency=1000,
  + num_cores=60,
  + environment={
  'architecture': '7'
  })
  named_device = device_properties_pb2.NamedDevice(
  