Skip tests properly (#31308)

* Skip tests properly

* [test_all]

* Add 'reason' as kwarg for skipTest

* [test_all] Fix up

* [test_all]

tests/models/x_clip/test_modeling_x_clip.py

@@ -186,9 +186,11 @@ class XCLIPVisionModelTest(ModelTesterMixin, unittest.TestCase):
         config_and_inputs = self.model_tester.prepare_config_and_inputs()
         self.model_tester.create_and_check_model(*config_and_inputs)
 
+    @unittest.skip
     def test_training(self):
         pass
 
+    @unittest.skip
     def test_training_gradient_checkpointing(self):
         pass
 
@@ -420,9 +422,11 @@ class XCLIPTextModelTest(ModelTesterMixin, unittest.TestCase):
         config_and_inputs = self.model_tester.prepare_config_and_inputs()
         self.model_tester.create_and_check_model(*config_and_inputs)
 
+    @unittest.skip
     def test_training(self):
         pass
 
+    @unittest.skip
     def test_training_gradient_checkpointing(self):
         pass
 
@@ -596,7 +600,7 @@ class XCLIPModelTest(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