More improvements regarding https://bugs.ecmascript.org/show_bug.cgi?id=33

test/suite/ietestcenter/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-14.js

@@ -35,7 +35,7 @@ ES5Harness.registerTest({
             props[name] = {value:11, configurable:true}
         });
 
-        Object.defineProperty(props, "prop", {
+        Object.defineProperty(props, "prop15_2_3_5_4_14", {
             get: function () {
                 result = this instanceof Error;
                 return {};
@@ -43,7 +43,7 @@ ES5Harness.registerTest({
             enumerable: true
         });
         var newObj = Object.create({}, props);
-        return result && newObj.hasOwnProperty("prop");
+        return result && newObj.hasOwnProperty("prop15_2_3_5_4_14");
     },
 
     precondition: function prereq() {

test/suite/ietestcenter/chapter15/15.2/15.2.3/15.2.3.5/15.2.3.5-4-37.js

@@ -33,12 +33,12 @@ ES5Harness.registerTest({
             props[name] = {value:11, configurable:true}
         });
 
-        props.prop = {
+        props.prop15_2_3_5_4_37 = {
             value: 12,
             enumerable: true
         };
         var newObj = Object.create({}, props);
-        return newObj.hasOwnProperty("prop");
+        return newObj.hasOwnProperty("prop15_2_3_5_4_37");
     },
 
     precondition: function prereq() {