attempt to fix Firefox tests

Author: DmitryGonchar

test/select.spec.js

@@ -2018,7 +2018,7 @@ describe('ui-select tests', function () {
         taggingLabel: 'false'
       });
 
-      //angular.element(document.body).css("width", "100%");
+      angular.element(document.body).css("width", "100%");
       angular.element(document.body).append(el);
       $timeout.flush(); // needed to make input take it's real width, not 4 or 10 px