Resolve remaining test issues

spec/helpers/BrowserFlags.js

@@ -0,0 +1,8 @@
+function isIE(version) {
+  var userAgent = jasmine.getGlobal().navigator.userAgent;
+  if (!userAgent) { return; }
+
+  var match = /MSIE ([0-9]{1,}[\.0-9]{0,})/.exec(userAgent);
+
+  return match && version ? parseFloat(match[1]) === version : match;
+}