Issue 517 - [Typed objects] Make unit tests compatible with Chrome and Safari

test/common.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2014 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+function addScript(url)
+{
+  var script = document.createElement("script");
+  script.src = url;
+  if (js17supported)
+    script.type = "text/javascript;version=1.7";
+  else
+    script.src += "?backcompat";
+  script.async = false;
+  document.head.appendChild(script);
+  return script;
+}
+
 function require(module)
 {
   return require.scopes[module];
 }
 require.scopes = {};