code: def test_save_version_with_adapter(self):
      model = self.get_model()
      config = SeqBnConfig(non_linearity="gelu")
      name = "dummy"
      model.add_adapter(name, config=config)
      model.set_active_adapters([name])
      with tempfile.TemporaryDirectory() as temp_dir:
          model.save_adapter(temp_dir, name)
  
          with open(
              os.path.join(temp_dir, "adapter_config.json"), "r"
          ) as file:
              data = json.load(file)
              self.assertEqual(__version__, data["version"])
  
file_path: adapters/tests/test_adapter_backward_compability.py
imports: import json
  import os
  import tempfile
  from adapters import SeqBnConfig, __version__
  from tests.methods import create_twin_models
  from transformers.testing_utils import require_torch
label_desc: Use image node_id 2 for calling the CompabilityTestMixin obj's underlying member method code with example usage: obj.test_save_version_with_adapter() without return types