code: def test_get_compacter(self):
      model = self.get_model()
      n_layers = len(list(model.iter_layers()))
      self.run_get_test(
          model,
          CompacterPlusPlusConfig(phm_dim=2, reduction_factor=8),
          n_layers + 1,
      )
  
file_path: adapters/tests/methods/test_compacter.py
imports: from adapters import ADAPTER_MODEL_MAPPING, AutoAdapterModel, CompacterPlusPlusConfig
  from transformers.testing_utils import require_torch, torch_device
  from .base import AdapterMethodBaseTestMixin
label_desc: Use image node_id 5 for calling the CompacterTestMixin obj's underlying member method code with example usage: obj.test_get_compacter() without return types