diff --git a/src/builtins/fetch.rs b/src/builtins/fetch.rs
index 0f00892..7ba16aa 100644
--- a/src/builtins/fetch.rs
+++ b/src/builtins/fetch.rs
@@ -65,4 +65,14 @@ mod tests {
     fn test_format_uptime_seconds() {
         assert_eq!(format_uptime(35), "0h 0m 35s");
     }
+
+    #[test]
+    fn test_format_uptime_minutes() {
+        assert_eq!(format_uptime(135), "0h 2m 15s");
+    }
+
+    #[test]
+    fn test_format_uptime_hours() {
+        assert_eq!(format_uptime(3735), "1h 2m 15s");
+    }
 }