code: def get_test_cfg():
      cfg = ElectraModel.get_cfg()
      cfg.defrost()
      cfg.MODEL.vocab_size = 100
      cfg.MODEL.units = 12 * 8
      cfg.MODEL.hidden_size = 128
      cfg.MODEL.num_heads = 2
      cfg.MODEL.num_layers = 2
      cfg.freeze()
      return cfg
  
file_path: gluon-nlp/tests/test_models_electra.py
imports: import pytest
  import numpy
  from numpy.testing import assert_allclose
  import mxnet
  import tempfile
  from gluonnlp.models.electra import ElectraModel, ElectraDiscriminator, ElectraGenerator, list_pretrained_electra, get_pretrained_electra, get_generator_cfg
  from gluonnlp.utils.testing import verify_backbone_fp16
label_desc: Use image node_id 2 for calling a global function with example usage: get_test_cfg() and returns: cfg