[tests / Quantization] Fix bnb test (#27145)

* fix bnb test

* link to GH issue

tests/quantization/bnb/test_mixed_int8.py

@@ -124,13 +124,13 @@ def tearDown(self):
         gc.collect()
         torch.cuda.empty_cache()
 
-    def test_get_keys_to_not_convert(self):
+    @unittest.skip("Un-skip once https://github.com/mosaicml/llm-foundry/issues/703 is resolved")
+    def test_get_keys_to_not_convert_trust_remote_code(self):
         r"""
-        Test the `get_keys_to_not_convert` function.
+        Test the `get_keys_to_not_convert` function with `trust_remote_code` models.
         """
         from accelerate import init_empty_weights
 
-        from transformers import AutoModelForMaskedLM, Blip2ForConditionalGeneration, MptForCausalLM, OPTForCausalLM
         from transformers.integrations.bitsandbytes import get_keys_to_not_convert
 
         model_id = "mosaicml/mpt-7b"
@@ -142,7 +142,17 @@ def test_get_keys_to_not_convert(self):
                 config, trust_remote_code=True, code_revision="72e5f594ce36f9cabfa2a9fd8f58b491eb467ee7"
             )
         self.assertEqual(get_keys_to_not_convert(model), ["transformer.wte"])
-        # without trust_remote_code
+
+    def test_get_keys_to_not_convert(self):
+        r"""
+        Test the `get_keys_to_not_convert` function.
+        """
+        from accelerate import init_empty_weights
+
+        from transformers import AutoModelForMaskedLM, Blip2ForConditionalGeneration, MptForCausalLM, OPTForCausalLM
+        from transformers.integrations.bitsandbytes import get_keys_to_not_convert
+
+        model_id = "mosaicml/mpt-7b"
         config = AutoConfig.from_pretrained(model_id, revision="72e5f594ce36f9cabfa2a9fd8f58b491eb467ee7")
         with init_empty_weights():
             model = MptForCausalLM(config)