Use `LoggingLevel` context manager in 3 tests (#28575)

* inside with LoggingLevel

* remove is_flaky

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

tests/test_modeling_utils.py

@@ -43,8 +43,8 @@ from transformers.testing_utils import (
     TOKEN,
     USER,
     CaptureLogger,
+    LoggingLevel,
     TestCasePlus,
-    is_flaky,
     is_staging_test,
     require_accelerate,
     require_flax,
@@ -290,14 +290,12 @@ class ModelUtilsTest(TestCasePlus):
 
         self.assertIsNotNone(model)
 
-    @is_flaky(
-        description="Capturing logs is flaky: https://app.circleci.com/pipelines/github/huggingface/transformers/81004/workflows/4919e5c9-0ea2-457b-ad4f-65371f79e277/jobs/1038999"
-    )
     def test_model_from_pretrained_with_different_pretrained_model_name(self):
         model = T5ForConditionalGeneration.from_pretrained(TINY_T5)
         self.assertIsNotNone(model)
 
         logger = logging.get_logger("transformers.configuration_utils")
+        with LoggingLevel(logging.WARNING):
             with CaptureLogger(logger) as cl:
                 BertModel.from_pretrained(TINY_T5)
         self.assertTrue("You are using a model of type t5 to instantiate a model of type bert" in cl.out)
@@ -1024,9 +1022,6 @@ class ModelUtilsTest(TestCasePlus):
             # Should only complain about the missing bias
             self.assertListEqual(load_info["missing_keys"], ["decoder.bias"])
 
-    @is_flaky(
-        description="Capturing logs is flaky: https://app.circleci.com/pipelines/github/huggingface/transformers/81004/workflows/4919e5c9-0ea2-457b-ad4f-65371f79e277/jobs/1038999"
-    )
     def test_unexpected_keys_warnings(self):
         model = ModelWithHead(PretrainedConfig())
         logger = logging.get_logger("transformers.modeling_utils")
@@ -1034,6 +1029,7 @@ class ModelUtilsTest(TestCasePlus):
             model.save_pretrained(tmp_dir)
 
             # Loading the model with a new class, we don't get a warning for unexpected weights, just an info
+            with LoggingLevel(logging.WARNING):
                 with CaptureLogger(logger) as cl:
                     _, loading_info = BaseModel.from_pretrained(tmp_dir, output_loading_info=True)
             self.assertNotIn("were not used when initializing ModelWithHead", cl.out)
@@ -1046,6 +1042,7 @@ class ModelUtilsTest(TestCasePlus):
             state_dict = model.state_dict()
             state_dict["added_key"] = copy.deepcopy(state_dict["linear.weight"])
             safe_save_file(state_dict, os.path.join(tmp_dir, SAFE_WEIGHTS_NAME), metadata={"format": "pt"})
+            with LoggingLevel(logging.WARNING):
                 with CaptureLogger(logger) as cl:
                     _, loading_info = ModelWithHead.from_pretrained(tmp_dir, output_loading_info=True)
             self.assertIn("were not used when initializing ModelWithHead: ['added_key']", cl.out)
@@ -1056,6 +1053,7 @@ class ModelUtilsTest(TestCasePlus):
 
         with self.subTest("Ensure no warnings when pad_token_id is None."):
             logger.warning_once.cache_clear()
+            with LoggingLevel(logging.WARNING):
                 with CaptureLogger(logger) as cl:
                     config_no_pad_token = PretrainedConfig()
                     config_no_pad_token.pad_token_id = None
@@ -1066,6 +1064,7 @@ class ModelUtilsTest(TestCasePlus):
 
         with self.subTest("Ensure no warnings when there is an attention_mask."):
             logger.warning_once.cache_clear()
+            with LoggingLevel(logging.WARNING):
                 with CaptureLogger(logger) as cl:
                     config = PretrainedConfig()
                     config.pad_token_id = 0
@@ -1077,6 +1076,7 @@ class ModelUtilsTest(TestCasePlus):
 
         with self.subTest("Ensure no warnings when there are no pad_token_ids in the input_ids."):
             logger.warning_once.cache_clear()
+            with LoggingLevel(logging.WARNING):
                 with CaptureLogger(logger) as cl:
                     config = PretrainedConfig()
                     config.pad_token_id = 0
@@ -1087,6 +1087,7 @@ class ModelUtilsTest(TestCasePlus):
 
         with self.subTest("Ensure a warning is shown when the input_ids start with a pad_token_id."):
             logger.warning_once.cache_clear()
+            with LoggingLevel(logging.WARNING):
                 with CaptureLogger(logger) as cl:
                     config = PretrainedConfig()
                     config.pad_token_id = 0
@@ -1097,6 +1098,7 @@ class ModelUtilsTest(TestCasePlus):
 
         with self.subTest("Ensure a warning is shown when the input_ids end with a pad_token_id."):
             logger.warning_once.cache_clear()
+            with LoggingLevel(logging.WARNING):
                 with CaptureLogger(logger) as cl:
                     config = PretrainedConfig()
                     config.pad_token_id = 0
@@ -1107,6 +1109,7 @@ class ModelUtilsTest(TestCasePlus):
 
         with self.subTest("Ensure that the warning is shown at most once."):
             logger.warning_once.cache_clear()
+            with LoggingLevel(logging.WARNING):
                 with CaptureLogger(logger) as cl:
                     config = PretrainedConfig()
                     config.pad_token_id = 0
@@ -1118,6 +1121,7 @@ class ModelUtilsTest(TestCasePlus):
 
         with self.subTest("Ensure a different warning is shown when the pad_token_id is equal to the bos_token_id."):
             logger.warning_once.cache_clear()
+            with LoggingLevel(logging.WARNING):
                 with CaptureLogger(logger) as cl:
                     config = PretrainedConfig()
                     config.pad_token_id = 0