3 files changed, 13 insertions, 11 deletions
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/throw/length.js b/js/src/tests/test262/built-ins/GeneratorPrototype/throw/length.js
index 75c2f6b2a3..6a933bb835 100644
--- a/js/src/tests/test262/built-ins/GeneratorPrototype/throw/length.js
+++ b/js/src/tests/test262/built-ins/GeneratorPrototype/throw/length.js
@@ -26,10 +26,11 @@ features: [generators]
 function* g() {}
 var GeneratorPrototype = Object.getPrototypeOf(g).prototype;
 
-assert.sameValue(GeneratorPrototype.throw.length, 1);
-
-verifyNotEnumerable(GeneratorPrototype.throw, "length");
-verifyNotWritable(GeneratorPrototype.throw, "length");
-verifyConfigurable(GeneratorPrototype.throw, "length");
+verifyProperty(GeneratorPrototype.throw, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/throw/name.js b/js/src/tests/test262/built-ins/GeneratorPrototype/throw/name.js
index d167bbc1cc..93bc41696d 100644
--- a/js/src/tests/test262/built-ins/GeneratorPrototype/throw/name.js
+++ b/js/src/tests/test262/built-ins/GeneratorPrototype/throw/name.js
@@ -23,10 +23,11 @@ features: [generators]
 function* g() {}
 var GeneratorPrototype = Object.getPrototypeOf(g).prototype;
 
-assert.sameValue(GeneratorPrototype.throw.name, "throw");
-
-verifyNotEnumerable(GeneratorPrototype.throw, "name");
-verifyNotWritable(GeneratorPrototype.throw, "name");
-verifyConfigurable(GeneratorPrototype.throw, "name");
+verifyProperty(GeneratorPrototype.throw, "name", {
+  value: "throw",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/GeneratorPrototype/throw/not-a-constructor.js b/js/src/tests/test262/built-ins/GeneratorPrototype/throw/not-a-constructor.js
index d8d39a4db5..e7702e6f5d 100644
--- a/js/src/tests/test262/built-ins/GeneratorPrototype/throw/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/GeneratorPrototype/throw/not-a-constructor.js
@@ -29,7 +29,7 @@ assert.sameValue(
 
 assert.throws(TypeError, () => {
   function* g() {} let expected = new Test262Error(); let iterator = g();try {new iterator.throw(expected);} catch (e) {if (e !== expected) {throw e;}}
-}, '`function* g() {} let expected = new Test262Error(); let iterator = g();try {new iterator.throw(expected);} catch (e) {if (e !== expected) {throw e;}}` throws TypeError');
+});
 
 
 reportCompare(0, 0);