code: def test_bit_reverse(self):
      a = tf.Variable(
          np.random.randint(1, 100, size=(1, 2)), dtype=tf.int64
      )
      a_rev = tf_i128.i128_bit_reverse(a)
      _a = tf_i128.i128_bit_reverse(a_rev)
      self.assertTrue(np.allclose(a, _a), "wrong bit reverse")
  
imports: import unittest
  import numpy
  import tensorflow
  from tf_encrypted.operations import tf_i128
label_desc: Use image node_id 9 for calling the I128TestCase obj's underlying member method code with example usage: obj.test_bit_reverse() without return types