Smangrul/fix failing ds ci tests (huggingface#27358)

* fix failing DeepSpeed CI tests due to `safetensors` being default

* debug

* remove debug statements

* resolve comments

* Update test_deepspeed.py

tests/deepspeed/test_deepspeed.py

@@ -48,7 +48,7 @@
     slow,
 )
 from transformers.trainer_utils import get_last_checkpoint, set_seed
-from transformers.utils import WEIGHTS_NAME, is_torch_bf16_gpu_available
+from transformers.utils import SAFE_WEIGHTS_NAME, is_torch_bf16_gpu_available
 
 
 if is_torch_available():
@@ -565,8 +565,7 @@ def test_gradient_accumulation(self, stage, dtype):
 
     def check_saved_checkpoints_deepspeed(self, output_dir, freq, total, stage, dtype):
         # adapted from TrainerIntegrationCommon.check_saved_checkpoints
-
-        file_list = [WEIGHTS_NAME, "training_args.bin", "trainer_state.json", "config.json"]
+        file_list = [SAFE_WEIGHTS_NAME, "training_args.bin", "trainer_state.json", "config.json"]
 
         if stage == ZERO2:
             ds_file_list = ["mp_rank_00_model_states.pt"]
@@ -581,7 +580,6 @@ def check_saved_checkpoints_deepspeed(self, output_dir, freq, total, stage, dtyp
         for step in range(freq, total, freq):
             checkpoint = os.path.join(output_dir, f"checkpoint-{step}")
             self.assertTrue(os.path.isdir(checkpoint), f"[{stage}] {checkpoint} dir is not found")
-
             # common files
             for filename in file_list:
                 path = os.path.join(checkpoint, filename)