[tests] remove test_export_to_onnx (#36241)

tests/models/pop2piano/test_modeling_pop2piano.py

@@ -26,7 +26,6 @@ from transformers.feature_extraction_utils import BatchFeature
 from transformers.testing_utils import (
     require_essentia,
     require_librosa,
-    require_onnx,
     require_scipy,
     require_torch,
     slow,
@@ -611,20 +610,6 @@ class Pop2PianoModelTest(ModelTesterMixin, GenerationTesterMixin, PipelineTester
         model = Pop2PianoForConditionalGeneration.from_pretrained(model_name)
         self.assertIsNotNone(model)
 
-    @require_onnx
-    def test_export_to_onnx(self):
-        config_and_inputs = self.model_tester.prepare_config_and_inputs()
-        model = Pop2PianoForConditionalGeneration(config_and_inputs[0]).to(torch_device)
-        with tempfile.TemporaryDirectory() as tmpdirname:
-            torch.onnx.export(
-                model,
-                (config_and_inputs[1], config_and_inputs[3], config_and_inputs[2]),
-                f"{tmpdirname}/Pop2Piano_test.onnx",
-                export_params=True,
-                opset_version=14,
-                input_names=["input_ids", "decoder_input_ids"],
-            )
-
     def test_pass_with_input_features(self):
         input_features = BatchFeature(
             {