code: def test_adabelief():
      _AdaBeliefTestHelper()()
  
file_path: mxnet/tests/python/unittest/test_contrib_optimizer.py
imports: import itertools
  import numpy
  import mxnet
  from mxnet.test_utils import *
  import pytest
  from common import xfail_when_nonstandard_decimal_separator
label_desc: Use image node_id 4 for calling a global function with example usage: test_adabelief() without return types