code: def test_forward_shared_phm_compacter(self):
      model = self.get_model()
      adapter_config = CompacterPlusPlusConfig(
          phm_dim=4, shared_W_phm=True, reduction_factor=4
      )
      self.run_forward_test(model, adapter_config)
  
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 7 for calling the CompacterTestMixin obj's underlying member method code with example usage: obj.test_forward_shared_phm_compacter() without return types