code: def test_syncbn_0d(self):
      x = objax.random.normal((64, 8))
      self.helper_test_syncbn(
          x,
          lambda: objax.nn.BatchNorm0D(8),
          lambda: objax.nn.SyncedBatchNorm0D(8),
      )
  
imports: import os
  import unittest
  import jax.numpy
  import numpy
  import objax
label_desc: Use image node_id 4 for calling the TestSyncBatchnorm obj's underlying member method code with example usage: obj.test_syncbn_0d() without return types