diff --git a/tests/test_ytils_utils.py b/tests/test_utils_utils.py
similarity index 90%
rename from tests/test_ytils_utils.py
rename to tests/test_utils_utils.py
index 826b9c5e2..4b9c7e77d 100644
--- a/tests/test_ytils_utils.py
+++ b/tests/test_utils_utils.py
@@ -55,16 +55,16 @@ def sample_function(x):
     ({"key": [{"nested": 1}, (2, 3)]}, "dict"),
 
     # Fonctions 
-    (lambda x: x, "<lambda>"),
-    (sample_function, "sample_function"),
-    (sample_function(10), "nested"),  
-    (len, "len"),
-    (sum, "sum"),
+    (lambda x: x, "function"),
+    (sample_function, "function"),
+    (sample_function(10), "function"),  
+    (len, "builtin_function_or_method"),
+    (sum, "builtin_function_or_method"),
 
     # Modules 
-    (math, "math"),
-    (sys, "sys"),
-    (types.FunctionType, "FunctionType"),
+    (math, "module"),
+    (sys, "module"),
+    (types.FunctionType, "type"),
     ((i for i in range(3)), "generator"),
     (iter([1, 2, 3]), "list_iterator"),
 ])