Skip tests properly (#31308)

* Skip tests properly

* [test_all]

* Add 'reason' as kwarg for skipTest

* [test_all] Fix up

* [test_all]

tests/models/kosmos2/test_modeling_kosmos2.py

@@ -375,7 +375,7 @@ class Kosmos2ModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestCase)
     # overwrite from common in order to use `config.text_config.vocab_size` instead of `config.vocab_size`
     def test_tie_model_weights(self):
         if not self.test_torchscript:
-            return
+            self.skipTest(reason="test_torchscript is set to False")
 
         config, inputs_dict = self.model_tester.prepare_config_and_inputs_for_common()
 
@@ -429,7 +429,7 @@ class Kosmos2ModelTest(ModelTesterMixin, PipelineTesterMixin, unittest.TestCase)
 
     def _create_and_check_torchscript(self, config, inputs_dict):
         if not self.test_torchscript:
-            return
+            self.skipTest(reason="test_torchscript is set to False")
 
         configs_no_init = _config_zero_init(config)  # To be sure we have no Nan
         configs_no_init.torchscript = True