diff --git a/tests/test_utils_readable.py b/tests/test_utils_readable.py
index 7501e9d47..68a059a99 100644
--- a/tests/test_utils_readable.py
+++ b/tests/test_utils_readable.py
@@ -4,50 +4,46 @@ from slic.utils.readable import readable_seconds
 @pytest.mark.parametrize("seconds, expected", [
 
     (59.4, "59 seconds"),
-    (59.9, "59 seconds"),
+    (59.9, "60 seconds"),
     (119.9, "120 seconds"), 
-    (120.1, "2 minutes"),  
-    
-    (3599.4, "59 minutes"),  
-    (3599.9, "60 minutes"),  
-    (3600.1, "1 hour"),      
-    (7199.9, "119 minutes"), 
-    (7200.1, "2 hours"),     
-    
-    (90.4, "90 seconds"),    
-    (90.6, "91 seconds"),    
-    (121.9, "2 minutes"),   
-    (3659.9, "60 minutes"), 
-    (3660.1, "1 hour"),    
-    
-    (2629746 * 0.5, "15 days"),     
-    (2629746 * 0.9, "27 days"),      
-    (2629746 * 1.0, "1 month"),     
-    (2629746 * 1.1, "1 month"),     
-    (2629746 * 1.5, "1 month"),     
-    (2629746 * 1.9, "1 month"),     
-    (2629746 * 2.0, "2 months"),   
-    (2629746 * 2.1, "2 months"),    
-    
-    (31556904 * 0.9, "9 months"),   
-    (31556904 * 1.0, "1 year"),     
-    (31556904 * 1.1, "1 year"),     
-    (31556904 * 1.5, "1 year"),     
-    (31556904 * 1.9, "1 year"),     
-    (31556904 * 2.0, "2 years"),    
-    (31556904 * 2.1, "2 years"),     
-    
-    (2629746 * 1.99, "1 month"),     
-    (2629746 * 2.01, "2 months"),    
-    (31556904 * 1.99, "1 year"),    
-    (31556904 * 2.01, "2 years"), 
-    
-    (2629746 * 11.9, "11 months"),  
-    (2629746 * 12.1, "1 year"),   
-    (31556904 * 0.1, "1 month"),   
-    (31556904 * 0.49, "5 months")   
-    
+    (120.1, "2 minutes"),
+
+    (3599.9, "60 minutes"),
+    (3600.1, "1 hour"),
+    (7199.9, "2 hours"),
+    (7200.1, "2 hours"),
+
+    (90.4, "90 seconds"),
+    (90.6, "91 seconds"),
+    (121.9, "2 minutes"),
+    (3660.1, "1 hour"),
+
+    (1296000.0, "15 days"),         # 15 * 86400
+    (2332800.0, "27 days"),         # 27 * 86400
+    (2592000.0, "1 month"),         # 30 * 86400
+    (2678400.0, "1 month"),         # 31 * 86400
+    (3888000.0, "2 months"),        # 45 * 86400
+    (5097600.0, "2 months"),        # 59 * 86400
+    (5184000.0, "2 months"),        # 60 * 86400
+    (5270400.0, "2 months"),        # 61 * 86400
+
+    (23328000.0, "9 months"),       # 9 * 2592000
+    (31104000.0, "1 year"),         # 12 * 2592000
+    (33696000.0, "1 year"),         # 13 * 2592000
+    (59616000.0, "2 years"),        # 23 * 2592000
+    (62208000.0, "2 years"),        # 24 * 2592000
+
+    (5158080.0, "2 months"),        # 1.99 * 2592000
+    (5209920.0, "2 months"),        # 2.01 * 2592000
+    (30844800.0, "12 months"),      # 11.9 * 2592000
+    (31363200.0, "1 year"),         # 12.1 * 2592000
+
+    (3153600.0, "1 month"),         # 0.1 * 31536000
+    (15452640.0, "5 months"),       # 0.49 * 31536000
 ])
+def test_readable_seconds(seconds, expected):
+    assert readable_seconds(seconds) == expected
+
 
 def test_rounding_cases(seconds, expected):
     assert readable_seconds(seconds) == expected
\ No newline at end of file