code: def test_with_details(self):
      e = errors.UnauthenticatedError(
          "don't you know who I am?", challenge="Digest"
      )
      expected_msg = "Unauthenticated: don't you know who I am?"
      self.assertEqual(str(e), expected_msg)
  
imports: from tensorboard import errors
  from tensorboard import test
label_desc: Use image node_id 2 for calling the UnauthenticatedErrorTest obj's underlying member method code with example usage: obj.test_with_details() without return types