code: def test_truncnorm_string_alias_works():
      try:
          layer = nn.Dense(
              in_units=1, units=1, weight_initializer="truncnorm"
          )
          layer.initialize()
      except RuntimeError:
          pytest.fail("Layer couldn't be initialized")
  
imports: import pytest
  from gluonnlp import initializer
  import mxnet
  from mxnet.gluon import nn
label_desc: Use image node_id 1 for calling a global function with example usage: test_truncnorm_string_alias_works() without return types