code: def test_linear_adapter_strategy(self):
      adapter = adapter_modules.LinearAdapter(in_features=50, dim=5)
      assert hasattr(adapter, "adapter_strategy")
      assert adapter.adapter_strategy is not None
      # assert default strategy is set
      assert isinstance(
          adapter.adapter_strategy,
          adapter_mixin_strategies.ResidualAddAdapterStrategy,
      )
  
file_path: NeMo/tests/collections/common/mixins/test_adapter_modules.py
imports: import pytest
  import torch
  from nemo.collections.common.parts import adapter_modules
  from nemo.core.classes.mixins import adapter_mixin_strategies
  from nemo.utils import config_utils
label_desc: Use image node_id 5 for calling the TestAdapterModules obj's underlying member method code with example usage: obj.test_linear_adapter_strategy() without return types