3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/Array/prototype/slice/length.js b/js/src/tests/test262/built-ins/Array/prototype/slice/length.js
index 2d0204600c..21d3dcae6f 100644
--- a/js/src/tests/test262/built-ins/Array/prototype/slice/length.js
+++ b/js/src/tests/test262/built-ins/Array/prototype/slice/length.js
@@ -21,10 +21,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Array.prototype.slice.length, 2);
-
-verifyNotEnumerable(Array.prototype.slice, 'length');
-verifyNotWritable(Array.prototype.slice, 'length');
-verifyConfigurable(Array.prototype.slice, 'length');
+verifyProperty(Array.prototype.slice, "length", {
+  value: 2,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/slice/name.js b/js/src/tests/test262/built-ins/Array/prototype/slice/name.js
index b870be1e66..6a37b962e5 100644
--- a/js/src/tests/test262/built-ins/Array/prototype/slice/name.js
+++ b/js/src/tests/test262/built-ins/Array/prototype/slice/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Array.prototype.slice.name, "slice");
-
-verifyNotEnumerable(Array.prototype.slice, "name");
-verifyNotWritable(Array.prototype.slice, "name");
-verifyConfigurable(Array.prototype.slice, "name");
+verifyProperty(Array.prototype.slice, "name", {
+  value: "slice",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Array/prototype/slice/not-a-constructor.js b/js/src/tests/test262/built-ins/Array/prototype/slice/not-a-constructor.js
index 3504fae508..08d6eb8820 100644
--- a/js/src/tests/test262/built-ins/Array/prototype/slice/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Array/prototype/slice/not-a-constructor.js
@@ -29,7 +29,7 @@ assert.sameValue(
 
 assert.throws(TypeError, () => {
   new Array.prototype.slice();
-}, '`new Array.prototype.slice()` throws TypeError');
+});
 
 
 reportCompare(0, 0);