diff --git a/tests/test.rs b/tests/test.rs
index 21e5796..c08645a 100644
--- a/tests/test.rs
+++ b/tests/test.rs
@@ -1913,22 +1913,7 @@ fn test_partialeq_number() {
 #[cfg(integer128)]
 #[cfg(feature = "arbitrary_precision")]
 fn test_partialeq_integer128() {
-    use std::{u128, i128};
-    use std::str::FromStr;
-    fn test_u128_number_partial_eq(input: u128) {
-        let val1 = serde_json::Value::from_str(&format!("{}", input)).unwrap();
-        let val2 = serde_json::to_value(input).unwrap();
-        assert_eq!(val1, val2);
-    }
-    fn test_i128_number_partial_eq(input: i128) {
-        let val1 = serde_json::Value::from_str(&format!("{}", input)).unwrap();
-        let val2 = serde_json::to_value(input).unwrap();
-        assert_eq!(val1, val2);
-    }
-    test_u128_number_partial_eq(u128::MAX);
-    test_u128_number_partial_eq(u128::MIN);
-    test_i128_number_partial_eq(i128::MAX);
-    test_i128_number_partial_eq(i128::MIN);
+    number_partialeq_ok!(i128::MIN i128::MAX u128::MIN u128::MAX)
 }
 
 #[test]