docstr: This test class is copied and adapted from the identically-named test in test_adapter_heads.py.
docstr_tok: ["This","test","class","is","copied","and","adapted","from","the","identically-named","test","in","test_adapter_heads.py","."]
code: def test_invertible_adapter_with_head(self):
      """This test class is copied and adapted from the identically-named test in test_adapter_heads.py."""
      raise self.skipTest(
          "AutoModelForSeq2SeqLM does not support using invertible adapters."
      )
  
imports: import unittest
  import adapters
  from hf_transformers.tests.models.encoder_decoder.test_modeling_encoder_decoder import *
  from transformers import AutoModelForSeq2SeqLM, AutoTokenizer, BertConfig
  from transformers.testing_utils import require_torch, torch_device
  from .methods import BottleneckAdapterTestMixin, CompacterTestMixin, IA3TestMixin, LoRATestMixin, PrefixTuningTestMixin, UniPELTTestMixin
  from .test_adapter import AdapterTestBase
  from .test_adapter_fusion_common import AdapterFusionModelTestMixin
label_desc: Use image node_id 2 for calling the EncoderDecoderAdapterTest obj's underlying member method code with example usage: obj.test_invertible_adapter_with_head() without return types