Move is_pipeline_test_to_skip to specific model test classes (#21999)

* Move `is_pipeline_test_to_skip` to specific model test classes

---------

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

tests/models/lilt/test_modeling_lilt.py

@@ -244,6 +244,12 @@ class LiltModelTest(ModelTesterMixin, GenerationTesterMixin, PipelineTesterMixin
     fx_compatible = False
     test_pruning = False
 
+    # TODO: Fix the failed tests
+    def is_pipeline_test_to_skip(
+        self, pipeline_test_casse_name, config_class, model_architecture, tokenizer_name, processor_name
+    ):
+        return True
+
     def setUp(self):
         self.model_tester = LiltModelTester(self)
         self.config_tester = ConfigTester(self, config_class=LiltConfig, hidden_size=37)