code: def _check_data_init(data_init, input_data, expected_output):
      layer = tf.keras.layers.Dense(
          input_data.shape[-1],
          activation=None,
          kernel_initializer="identity",
          bias_initializer="zeros",
      )
      test_utils.layer_test(
          wrappers.WeightNormalization,
          kwargs={"layer": layer, "data_init": data_init},
          input_data=input_data,
          expected_output=expected_output,
      )
  
file_path: addons/tensorflow_addons/layers/tests/wrappers_test.py
imports: import os
  import tempfile
  import pytest
  import numpy
  import tensorflow
  from tensorflow_addons.layers import wrappers
  from tensorflow_addons.utils import test_utils
label_desc: Use image node_id 3 for calling a global function with example usage: _check_data_init(data_init, input_data, expected_output) without return types