code: def test_reverse_b_init(self):
      b_init = CountingInitializer()
      mod = reversed_mlp(b_init=b_init)
      for linear in mod.submodules:
          self.assertIs(linear.b_init, b_init)
  
imports: import itertools
  from absl.testing import parameterized
  from sonnet.src import test_utils
  from sonnet.src.nets import mlp
  import tensorflow
label_desc: Use image node_id 16 for calling the MLPTest obj's underlying member method code with example usage: obj.test_reverse_b_init() without return types