3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/Number/prototype/toPrecision/length.js b/js/src/tests/test262/built-ins/Number/prototype/toPrecision/length.js
index a5cecd54d3..d0b018aedb 100644
--- a/js/src/tests/test262/built-ins/Number/prototype/toPrecision/length.js
+++ b/js/src/tests/test262/built-ins/Number/prototype/toPrecision/length.js
@@ -22,10 +22,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Number.prototype.toPrecision.length, 1);
-
-verifyNotEnumerable(Number.prototype.toPrecision, "length");
-verifyNotWritable(Number.prototype.toPrecision, "length");
-verifyConfigurable(Number.prototype.toPrecision, "length");
+verifyProperty(Number.prototype.toPrecision, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Number/prototype/toPrecision/name.js b/js/src/tests/test262/built-ins/Number/prototype/toPrecision/name.js
index 946c5ad308..61096abd77 100644
--- a/js/src/tests/test262/built-ins/Number/prototype/toPrecision/name.js
+++ b/js/src/tests/test262/built-ins/Number/prototype/toPrecision/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Number.prototype.toPrecision.name, "toPrecision");
-
-verifyNotEnumerable(Number.prototype.toPrecision, "name");
-verifyNotWritable(Number.prototype.toPrecision, "name");
-verifyConfigurable(Number.prototype.toPrecision, "name");
+verifyProperty(Number.prototype.toPrecision, "name", {
+  value: "toPrecision",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Number/prototype/toPrecision/not-a-constructor.js b/js/src/tests/test262/built-ins/Number/prototype/toPrecision/not-a-constructor.js
index 5424e12b7e..bcb3e378b7 100644
--- a/js/src/tests/test262/built-ins/Number/prototype/toPrecision/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Number/prototype/toPrecision/not-a-constructor.js
@@ -29,7 +29,7 @@ assert.sameValue(
 
 assert.throws(TypeError, () => {
   new Number.prototype.toPrecision();
-}, '`new Number.prototype.toPrecision()` throws TypeError');
+});
 
 
 reportCompare(0, 0);