message: Fix issue in function_test.py: Function to ConcreteFunction
diff: @@ -1729,8 +1729,8 @@ class FunctionTest(test.TestCase, parameterized.TestCase):
  return x
  graph_function = foo.get_concrete_function(constant_op.constant(1.0))
  - with self.assertRaisesRegexp(ValueError, 'All inputs to `Function`s must '
  - 'be Tensors;.*'):
  + with self.assertRaisesRegexp(
  + ValueError, 'All inputs to `ConcreteFunction`s must be Tensors;.*'):
  graph_function('Not a Tensor.')
  def testSwapImplementationWithGrapplerPlugin(self):
  