Rename test_model_common_attributes -> test_model_get_set_embeddings (#31321)

* Rename to test_model_common_attributes
The method name is misleading - it is testing being able to get and set embeddings, not common attributes to all models

* Explicitly skip

tests/models/decision_transformer/test_modeling_decision_transformer.py

@@ -143,7 +143,6 @@ class DecisionTransformerModelTest(ModelTesterMixin, GenerationTesterMixin, Pipe
     test_attention_outputs = False
     test_hidden_states_output = False
     test_inputs_embeds = False
-    test_model_common_attributes = False
     test_gradient_checkpointing = False
     test_torchscript = False
 
@@ -184,6 +183,10 @@ class DecisionTransformerModelTest(ModelTesterMixin, GenerationTesterMixin, Pipe
 
             self.assertListEqual(arg_names[: len(expected_arg_names)], expected_arg_names)
 
+    @unittest.skip(reason="Model does not have input embeddings")
+    def test_model_get_set_embeddings(self):
+        pass
+
 
 @require_torch
 class DecisionTransformerModelIntegrationTest(unittest.TestCase):