modify urlsearchparams tests

tests/wpt/metadata/MANIFEST.json

         "path": "url/urlsearchparams-delete.html",
         "url": "/url/urlsearchparams-delete.html"
       },
+      {
+        "path": "url/urlsearchparams-foreach.html",
+        "url": "/url/urlsearchparams-foreach.html"
+      },
       {
         "path": "url/urlsearchparams-get.html",
         "url": "/url/urlsearchparams-get.html"
         "path": "url/urlsearchparams-stringifier.html",
         "url": "/url/urlsearchparams-stringifier.html"
       },
-      {
-          "path": "url/urlsearchparams-foreach.html",
-          "url": "/url/urlsearchparams-foreach.html"
-      },
       {
         "path": "user-timing/idlharness.html",
         "url": "/user-timing/idlharness.html"

tests/wpt/web-platform-tests/url/urlsearchparams-foreach.html

@@ -6,22 +6,6 @@
 <script src="/resources/testharness.js"></script>
 <script src="/resources/testharnessreport.js"></script>
 <script>
-test(function() {
-    var params = new URLSearchParams('a=1&b=2&c=3');
-    for(var URLSearchParam in params){
-        switch (URLSearchParam) {
-            case 'a':
-                assert_equals('1', params[URLSearchParam]);
-                break;
-            case 'b':
-                assert_equals('2', params[URLSearchParam]);
-                break;
-            case 'c':
-                assert_equals('3', params[URLSearchParam]);
-                break;
-        }
-    }
-}, "For-in Check");
 
 test(function() {
     var params = new URLSearchParams('a=1&b=2&c=3');