3 files changed, 13 insertions, 17 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/includes/length.js b/js/src/tests/test262/built-ins/String/prototype/includes/length.js
index c74ad3f706..8ee6ae06e9 100644
--- a/js/src/tests/test262/built-ins/String/prototype/includes/length.js
+++ b/js/src/tests/test262/built-ins/String/prototype/includes/length.js
@@ -13,13 +13,11 @@ includes: [propertyHelper.js]
 features: [String.prototype.includes]
 ---*/
 
-assert.sameValue(
-  String.prototype.includes.length, 1,
-  'The value of `String.prototype.includes.length` is `1`'
-);
-
-verifyNotEnumerable(String.prototype.includes, 'length');
-verifyNotWritable(String.prototype.includes, 'length');
-verifyConfigurable(String.prototype.includes, 'length');
+verifyProperty(String.prototype.includes, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/String/prototype/includes/name.js b/js/src/tests/test262/built-ins/String/prototype/includes/name.js
index 24bf088db4..fe8cdc1d5d 100644
--- a/js/src/tests/test262/built-ins/String/prototype/includes/name.js
+++ b/js/src/tests/test262/built-ins/String/prototype/includes/name.js
@@ -13,13 +13,11 @@ includes: [propertyHelper.js]
 features: [String.prototype.includes]
 ---*/
 
-assert.sameValue(
-  String.prototype.includes.name, 'includes',
-  'The value of `String.prototype.includes.name` is `"includes"`'
-);
-
-verifyNotEnumerable(String.prototype.includes, 'name');
-verifyNotWritable(String.prototype.includes, 'name');
-verifyConfigurable(String.prototype.includes, 'name');
+verifyProperty(String.prototype.includes, "name", {
+  value: "includes",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/String/prototype/includes/not-a-constructor.js b/js/src/tests/test262/built-ins/String/prototype/includes/not-a-constructor.js
index f276a53f92..ccc6ce782d 100644
--- a/js/src/tests/test262/built-ins/String/prototype/includes/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/String/prototype/includes/not-a-constructor.js
@@ -29,7 +29,7 @@ assert.sameValue(
 
 assert.throws(TypeError, () => {
   new String.prototype.includes(1);
-}, '`new String.prototype.includes(1)` throws TypeError');
+});
 
 
 reportCompare(0, 0);