message: [Intel MKL] Change the Unit test Python format and add test comment
diff: @@ -29,9 +29,9 @@ from tensorflow.python.ops import gen_array_ops
  from tensorflow.python.ops import gradient_checker
  from tensorflow.python.ops import gradients_impl
  from tensorflow.python.ops import math_ops
  +from tensorflow.python.ops import nn_ops
  from tensorflow.python.ops import variables
  from tensorflow.python.platform import test
  -from tensorflow.python.ops import nn_ops
  class ConcatOpTest(test.TestCase):
  @@ -734,7 +734,7 @@ class ConcatOffsetTest(test.TestCase):
  s5_1 = array_ops.slice(s4_1, [0, 6, 6, 0], [-1, 1, 1, -1])
  s5_2 = array_ops.slice(s4_2, [0, 6, 6, 0], [-1, 1, 1, -1])
  x_concat = array_ops.concat([s5_1, s5_2], 3)
  - self.evaluate(x_concat)
  + self.evaluate(x_concat) # This test is only meant to check the creation is not crashed
  if __name__ == "__main__":
  test.main()
  