message: TST: use cached_session instead
diff: @@ -413,7 +413,7 @@ class Conv3DTest(test.TestCase):
  elif data_type == dtypes.float16:
  tolerance = 1e-3
  - with self.test_session(use_gpu=use_gpu):
  + with self.cached_session(use_gpu=use_gpu):
  orig_input_tensor = constant_op.constant(
  input_data, shape=input_shape, dtype=data_type, name="input")
  filter_tensor = constant_op.constant(
  