6 files changed, 26 insertions, 22 deletions
diff --git a/js/src/tests/test262/built-ins/Math/sin/length.js b/js/src/tests/test262/built-ins/Math/sin/length.js
index 887df3bb9d..13e8ad33da 100644
--- a/js/src/tests/test262/built-ins/Math/sin/length.js
+++ b/js/src/tests/test262/built-ins/Math/sin/length.js
@@ -22,10 +22,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.sin.length, 1);
-
-verifyNotEnumerable(Math.sin, "length");
-verifyNotWritable(Math.sin, "length");
-verifyConfigurable(Math.sin, "length");
+verifyProperty(Math.sin, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sin/name.js b/js/src/tests/test262/built-ins/Math/sin/name.js
index af0bb7c8a9..d782c0811d 100644
--- a/js/src/tests/test262/built-ins/Math/sin/name.js
+++ b/js/src/tests/test262/built-ins/Math/sin/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.sin.name, "sin");
-
-verifyNotEnumerable(Math.sin, "name");
-verifyNotWritable(Math.sin, "name");
-verifyConfigurable(Math.sin, "name");
+verifyProperty(Math.sin, "name", {
+  value: "sin",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sin/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/sin/not-a-constructor.js
index fec296dc85..f894c39841 100644
--- a/js/src/tests/test262/built-ins/Math/sin/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Math/sin/not-a-constructor.js
@@ -25,7 +25,7 @@ assert.sameValue(isConstructor(Math.sin), false, 'isConstructor(Math.sin) must r
 
 assert.throws(TypeError, () => {
   new Math.sin();
-}, '`new Math.sin()` throws TypeError');
+});
 
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sinh/length.js b/js/src/tests/test262/built-ins/Math/sinh/length.js
index 5071e9cc11..4da8f31e8f 100644
--- a/js/src/tests/test262/built-ins/Math/sinh/length.js
+++ b/js/src/tests/test262/built-ins/Math/sinh/length.js
@@ -18,10 +18,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.sinh.length, 1);
-
-verifyNotEnumerable(Math.sinh, "length");
-verifyNotWritable(Math.sinh, "length");
-verifyConfigurable(Math.sinh, "length");
+verifyProperty(Math.sinh, "length", {
+  value: 1,
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sinh/name.js b/js/src/tests/test262/built-ins/Math/sinh/name.js
index b2bb918e69..2561b33ef6 100644
--- a/js/src/tests/test262/built-ins/Math/sinh/name.js
+++ b/js/src/tests/test262/built-ins/Math/sinh/name.js
@@ -19,10 +19,11 @@ info: |
 includes: [propertyHelper.js]
 ---*/
 
-assert.sameValue(Math.sinh.name, "sinh");
-
-verifyNotEnumerable(Math.sinh, "name");
-verifyNotWritable(Math.sinh, "name");
-verifyConfigurable(Math.sinh, "name");
+verifyProperty(Math.sinh, "name", {
+  value: "sinh",
+  writable: false,
+  enumerable: false,
+  configurable: true
+});
 
 reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/Math/sinh/not-a-constructor.js b/js/src/tests/test262/built-ins/Math/sinh/not-a-constructor.js
index 9a5ff08bf7..cd892411b4 100644
--- a/js/src/tests/test262/built-ins/Math/sinh/not-a-constructor.js
+++ b/js/src/tests/test262/built-ins/Math/sinh/not-a-constructor.js
@@ -25,7 +25,7 @@ assert.sameValue(isConstructor(Math.sinh), false, 'isConstructor(Math.sinh) must
 
 assert.throws(TypeError, () => {
   new Math.sinh();
-}, '`new Math.sinh()` throws TypeError');
+});
 
 
 reportCompare(0, 0);