code: def test_constructor(self, ssl_model):
      confdict = ssl_model.to_config_dict()
      instance2 = SpeechEncDecSelfSupervisedModel.from_config_dict(
          confdict
      )
      assert isinstance(instance2, SpeechEncDecSelfSupervisedModel)
  
file_path: NeMo/tests/collections/asr/test_ssl_models.py
imports: import copy
  import pytest
  import torch
  from omegaconf import DictConfig, ListConfig
  from nemo.collections.asr.models import SpeechEncDecSelfSupervisedModel
label_desc: Use image node_id 1 for calling the TestSSLModel obj's underlying member method code with example usage: obj.test_constructor(ssl_model) without return types