diff --git a/tests/utils/test_modeling_utils.py b/tests/utils/test_modeling_utils.py
index cae38422f532..970dc5994041 100644
--- a/tests/utils/test_modeling_utils.py
+++ b/tests/utils/test_modeling_utils.py
@@ -2608,7 +2608,8 @@ def test_not_available_flash(self):
             _ = AutoModel.from_pretrained(
                 "hf-internal-testing/tiny-random-GPTBigCodeModel", attn_implementation="flash_attention_2"
             )
-        self.assertTrue("the package flash_attn seems to be not installed" in str(cm.exception))
+
+        self.assertTrue("the package flash_attn seems not to be installed" in str(cm.exception))
 
     def test_not_available_flash_with_config(self):
         if is_flash_attn_2_available():
@@ -2623,7 +2624,7 @@ def test_not_available_flash_with_config(self):
                 attn_implementation="flash_attention_2",
             )
 
-        self.assertTrue("the package flash_attn seems to be not installed" in str(cm.exception))
+        self.assertTrue("the package flash_attn seems not to be installed" in str(cm.exception))
 
     def test_not_available_sdpa(self):
         if is_torch_sdpa_available():