Update forward signature test for vision models (#27681)

* Update forward signature

* Empty-Commit

tests/models/mask2former/test_modeling_mask2former.py

@@ -14,7 +14,6 @@
 # limitations under the License.
 """ Testing suite for the PyTorch Mask2Former model. """
 
-import inspect
 import unittest
 
 import numpy as np
@@ -242,18 +241,6 @@ class Mask2FormerModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestC
     def test_multi_gpu_data_parallel_forward(self):
         pass
 
-    def test_forward_signature(self):
-        config, _ = self.model_tester.prepare_config_and_inputs_for_common()
-
-        for model_class in self.all_model_classes:
-            model = model_class(config)
-            signature = inspect.signature(model.forward)
-            # signature.parameters is an OrderedDict => so arg_names order is deterministic
-            arg_names = [*signature.parameters.keys()]
-
-            expected_arg_names = ["pixel_values"]
-            self.assertListEqual(arg_names[:1], expected_arg_names)
-
     @slow
     def test_model_from_pretrained(self):
         for model_name in ["facebook/mask2former-swin-small-coco-instance"]: