code: def test_weight_standardization_forward(
      rng, ctx, func_name, w_shape, channel_axis, eps, output_stat
  ):
      from nbla_test_utils import function_tester
  
      w = np.array(rng.randn(*w_shape).astype(np.float32))
  
      function_tester(
          rng,
          F.weight_standardization,
          ref_weight_standardization,
          [w],
          [channel_axis, eps, output_stat],
          ctx=ctx,
          func_name=func_name,
          dstep=1e-2,
          atol_b=1e-2,
          backward=[False],
      )
  
file_path: nnabla/python/test/function/test_weight_standardization.py
imports: import pytest
  import numpy
  import nnabla
  import nnabla.functions
  import nnabla.parametric_functions
  from nnabla.testing import assert_allclose
  from nbla_test_utils import list_context
  from nnabla.normalization_functions import _get_axes_excluding
label_desc: Use image node_id 3 for calling a global function with example usage: test_weight_standardization_forward(rng, ctx, func_name, w_shape, channel_axis, eps, output_stat) without return types