diff --git a/test/language/expressions/addition/order-of-evaluation.js b/test/language/expressions/addition/order-of-evaluation.js
index 103f82d5dc1868aed57aa82d99cf24e99a7739d3..812cd6d82af42fd34b18550fba27bd5539ab2c25 100644
--- a/test/language/expressions/addition/order-of-evaluation.js
+++ b/test/language/expressions/addition/order-of-evaluation.js
@@ -35,7 +35,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -53,7 +53,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -61,7 +61,7 @@ assert.throws(MyError, function() {
   })() + (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -76,7 +76,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -84,7 +84,7 @@ assert.throws(MyError, function() {
   })() + (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -99,7 +99,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -107,7 +107,7 @@ assert.throws(MyError, function() {
   })() + (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -122,7 +122,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -130,7 +130,7 @@ assert.throws(TypeError, function() {
   })() + (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/bitwise-and/order-of-evaluation.js b/test/language/expressions/bitwise-and/order-of-evaluation.js
index 8aab592f6d3599071d84bfda3eee767197e353fd..840e6e351dc8c3254abdbf0e1a1da13cf4de4675 100644
--- a/test/language/expressions/bitwise-and/order-of-evaluation.js
+++ b/test/language/expressions/bitwise-and/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() & (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() & (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() & (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() & (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/bitwise-or/order-of-evaluation.js b/test/language/expressions/bitwise-or/order-of-evaluation.js
index c1bd291d440b7f80c75fd76596eb8933218cf3f1..a497318c7fd093afe8dc77326dc380db87fe10b7 100644
--- a/test/language/expressions/bitwise-or/order-of-evaluation.js
+++ b/test/language/expressions/bitwise-or/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() | (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() | (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() | (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() | (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/bitwise-xor/order-of-evaluation.js b/test/language/expressions/bitwise-xor/order-of-evaluation.js
index e790ef35b8bd2eab233e83009b97eb674f1cacdd..4bebf248b9131aaaf98f025199beb89e66223e8b 100644
--- a/test/language/expressions/bitwise-xor/order-of-evaluation.js
+++ b/test/language/expressions/bitwise-xor/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() ^ (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() ^ (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() ^ (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() ^ (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/division/order-of-evaluation.js b/test/language/expressions/division/order-of-evaluation.js
index 80097fe34d6e92d62a73715b512641b4e45d0ffb..fbcf8a57089756b558cb9820a9a09ba934896381 100644
--- a/test/language/expressions/division/order-of-evaluation.js
+++ b/test/language/expressions/division/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() / (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() / (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() / (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() / (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/exponentiation/order-of-evaluation.js b/test/language/expressions/exponentiation/order-of-evaluation.js
index 93da0d99e92288b701430800bcfee0d60daeb10f..4a933c63771bc3bd924734320d04f15e73af4e1c 100644
--- a/test/language/expressions/exponentiation/order-of-evaluation.js
+++ b/test/language/expressions/exponentiation/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() ** (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() ** (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() ** (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() ** (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/left-shift/order-of-evaluation.js b/test/language/expressions/left-shift/order-of-evaluation.js
index e682dad72989eafb74eeefc08ec2289e460ca969..62db43effd0ab44b368da3f7a12c0c4b1593589b 100644
--- a/test/language/expressions/left-shift/order-of-evaluation.js
+++ b/test/language/expressions/left-shift/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() << (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() << (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() << (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() << (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/modulus/order-of-evaluation.js b/test/language/expressions/modulus/order-of-evaluation.js
index ac91c49d2700a90e7e7fbbfeaa5ff7ac87533c13..a18a80075c36d4b794bcc02eb16d17bad0a63431 100644
--- a/test/language/expressions/modulus/order-of-evaluation.js
+++ b/test/language/expressions/modulus/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() % (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() % (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() % (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() % (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/multiplication/order-of-evaluation.js b/test/language/expressions/multiplication/order-of-evaluation.js
index af612685aa3829117148f73dd3c7800e404fa4ef..84b816a69c1abf085bd26bc4f22e41f1730c6bdd 100644
--- a/test/language/expressions/multiplication/order-of-evaluation.js
+++ b/test/language/expressions/multiplication/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() * (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() * (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() * (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() * (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/right-shift/order-of-evaluation.js b/test/language/expressions/right-shift/order-of-evaluation.js
index 4630d988863ca4654512a40363995541ced1d88e..19fc4b7cc4fb1e5fb78c7301642d9ee6e613eaaf 100644
--- a/test/language/expressions/right-shift/order-of-evaluation.js
+++ b/test/language/expressions/right-shift/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() >> (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() >> (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() >> (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() >> (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/subtraction/order-of-evaluation.js b/test/language/expressions/subtraction/order-of-evaluation.js
index 62134d00172ea3e4456f84ef8f9cae2fafbb382f..ea30cf5b29f253f6509e6aab678227ded28f9f38 100644
--- a/test/language/expressions/subtraction/order-of-evaluation.js
+++ b/test/language/expressions/subtraction/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() - (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() - (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() - (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() - (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }
diff --git a/test/language/expressions/unsigned-right-shift/order-of-evaluation.js b/test/language/expressions/unsigned-right-shift/order-of-evaluation.js
index f8eb9442e46a603a37569d4edd3f9d7623f7f705..a85e252a0e8a0f4c5c2a693adb05f4db9961c9fa 100644
--- a/test/language/expressions/unsigned-right-shift/order-of-evaluation.js
+++ b/test/language/expressions/unsigned-right-shift/order-of-evaluation.js
@@ -33,7 +33,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new Test262Error("should not be evaluated");
       }
@@ -51,7 +51,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         throw new MyError();
       }
@@ -59,7 +59,7 @@ assert.throws(MyError, function() {
   })() >>> (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -74,7 +74,7 @@ assert.throws(MyError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -82,7 +82,7 @@ assert.throws(MyError, function() {
   })() >>> (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new MyError();
       }
@@ -97,7 +97,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return Symbol("1");
       }
@@ -105,7 +105,7 @@ assert.throws(TypeError, function() {
   })() >>> (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         throw new Test262Error("should not be evaluated");
       }
@@ -120,7 +120,7 @@ assert.throws(TypeError, function() {
   (function() {
     trace += "1";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "3";
         return 1;
       }
@@ -128,7 +128,7 @@ assert.throws(TypeError, function() {
   })() >>> (function() {
     trace += "2";
     return {
-      valueOf() {
+      valueOf: function() {
         trace += "4";
         return Symbol("1");
       }