Skip tests properly (#31308)

* Skip tests properly

* [test_all]

* Add 'reason' as kwarg for skipTest

* [test_all] Fix up

* [test_all]

tests/pipelines/test_pipelines_feature_extraction.py

@@ -176,15 +176,15 @@ class FeatureExtractionPipelineTests(unittest.TestCase):
 
     def get_test_pipeline(self, model, tokenizer, processor):
         if tokenizer is None:
-            self.skipTest("No tokenizer")
-            return
+            self.skipTest(reason="No tokenizer")
         elif (
             type(model.config) in FEATURE_EXTRACTOR_MAPPING
             or isinstance(model.config, LxmertConfig)
             or type(model.config) in IMAGE_PROCESSOR_MAPPING
         ):
-            self.skipTest("This is a bimodal model, we need to find a more consistent way to switch on those models.")
-            return
+            self.skipTest(
+                reason="This is a bimodal model, we need to find a more consistent way to switch on those models."
+            )
         elif model.config.is_encoder_decoder:
             self.skipTest(
                 """encoder_decoder models are trickier for this pipeline.
@@ -193,8 +193,6 @@ class FeatureExtractionPipelineTests(unittest.TestCase):
                 For now ignore those.
                 """
             )
-
-            return
         feature_extractor = FeatureExtractionPipeline(model=model, tokenizer=tokenizer, feature_extractor=processor)
         return feature_extractor, ["This is a test", "This is another test"]