3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/next/length.js b/js/src/tests/test262/built-ins/GeneratorPrototype/next/length.js
index d4bbe4aaad..630d5cde07 100644
--- a/js/src/tests/test262/built-ins/GeneratorPrototype/next/length.js
+++ b/js/src/tests/test262/built-ins/GeneratorPrototype/next/length.js
@@ -26,10 +26,11 @@ features: [generators]
 function* g() {}
 var GeneratorPrototype = Object.getPrototypeOf(g).prototype;
 
-assert.sameValue(GeneratorPrototype.next.length, 1);
-
-verifyNotEnumerable(GeneratorPrototype.next, "length");
-verifyNotWritable(GeneratorPrototype.next, "length");
-verifyConfigurable(GeneratorPrototype.next, "length");
+verifyProperty(GeneratorPrototype.next, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/next/name.js b/js/src/tests/test262/built-ins/GeneratorPrototype/next/name.js
index e52239af1a..f29ac96536 100644
--- a/js/src/tests/test262/built-ins/GeneratorPrototype/next/name.js
+++ b/js/src/tests/test262/built-ins/GeneratorPrototype/next/name.js
@@ -23,10 +23,11 @@ features: [generators]
 function* g() {}
 var GeneratorPrototype = Object.getPrototypeOf(g).prototype;
 
-assert.sameValue(GeneratorPrototype.next.name, "next");
-
-verifyNotEnumerable(GeneratorPrototype.next, "name");
-verifyNotWritable(GeneratorPrototype.next, "name");
-verifyConfigurable(GeneratorPrototype.next, "name");
+verifyProperty(GeneratorPrototype.next, "name", {
+  value: "next",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/next/not-a-constructor.js b/js/src/tests/test262/built-ins/GeneratorPrototype/next/not-a-constructor.js
index 49865588f8..3a8fd1b22f 100644
--- a/js/src/tests/test262/built-ins/GeneratorPrototype/next/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/GeneratorPrototype/next/not-a-constructor.js
@@ -29,7 +29,7 @@ assert.sameValue(
 
 assert.throws(TypeError, () => {
   function* g() {} let iterator = g(); new iterator.next();
-}, '`function* g() {} let iterator = g(); new iterator.next()` throws TypeError');
+});
 
 
 reportCompare(0, 0);