message: Fix multi_gpu_utils_test output names
diff: @@ -221,7 +221,7 @@ class TestMultiGPUModel(test.TestCase):
  name='siamese')
  parallel_siamese = keras.utils.multi_gpu_model(siamese, gpus)
  self.assertEqual(parallel_siamese.output_names,
  - ['add', 'nested_1', 'nested_2'])
  + ['add', 'nested', 'nested_1'])
  if __name__ == '__main__':
  test.main()
  