Remove some pipeline skip cases (#22865)

fix

Co-authored-by: ydshieh <ydshieh@users.noreply.github.com>

tests/models/xlnet/test_modeling_xlnet.py

@@ -546,8 +546,10 @@ class XLNetModelTest(ModelTesterMixin, GenerationTesterMixin, PipelineTesterMixi
     def is_pipeline_test_to_skip(
         self, pipeline_test_casse_name, config_class, model_architecture, tokenizer_name, processor_name
     ):
-        # IndexError: index out of range in self
-        return True
+        if pipeline_test_casse_name == "QAPipelineTests" and not tokenizer_name.endswith("Fast"):
+            return True
+
+        return False
 
     # XLNet has 2 QA models -> need to manually set the correct labels for one of them here
     def _prepare_for_class(self, inputs_dict, model_class, return_labels=False):