Check models used for common tests are small (#24824)

* First models

* Conditional DETR

* Treat DETR models, skip others

* Skip LayoutLMv2 as well

* Fix last tests

tests/models/table_transformer/test_modeling_table_transformer.py

@@ -486,6 +486,10 @@ class TableTransformerModelTest(ModelTesterMixin, GenerationTesterMixin, Pipelin
                             msg=f"Parameter {name} of model {model_class} seems not properly initialized",
                         )
 
+    @unittest.skip("Will be fixed soon by reducing the size of the model used for common tests.")
+    def test_model_is_small(self):
+        pass
+
 
 TOLERANCE = 1e-4