code: def test_pf_bn_no_scale_bias(no_scale, no_bias):
      x = nn.Variable(shape=(1, 3, 2, 2))
      y = PF.batch_normalization(
          x, batch_stat=True, no_scale=no_scale, no_bias=no_bias
      )
  
      params = nn.get_parameters()
      assert len(params) == 2 - int(no_scale) - int(no_bias)
  
imports: import pytest
  import numpy
  import nnabla
  import nnabla.functions
  import nnabla.parametric_functions
  import nnabla.initializer
  from nnabla.testing import assert_allclose
  from nbla_test_utils import list_context
label_desc: Use image node_id 13 for calling a global function with example usage: test_pf_bn_no_scale_bias(no_scale, no_bias) without return types