Skip failing irrelevant test for ColQwen2 (#42480)

Author: Rocketknight1

tests/models/colqwen2/test_modeling_colqwen2.py

@@ -279,6 +279,10 @@ def test_sdpa_can_dispatch_on_flash(self):
     def test_sdpa_can_compile_dynamic(self):
         pass
 
+    @unittest.skip(reason="This architecture doesn't support weight tying/untying.")
+    def test_load_save_without_tied_weights(self):
+        pass
+
 
 @require_torch
 class ColQwen2ModelIntegrationTest(unittest.TestCase):