<script>
var customInterpolationApp = angular.module('customInterpolationApp', []);

customInterpolationApp.config(Function($interpolateProvider) {
  $interpolateProvider.startSymbol('//');
  $interpolateProvider.endSymbol('//');});


customInterpolationApp.controller('DemoController', Function() {
    this.label = "This binding is brought you by // interpolation symbols.";});
</script>
<div ng-app="App" ng-controller="DemoController as demo">
  //demo.label//
</div>

it('should interpolate binding with custom symbols', Function() {
expect(element(by.binding('demo.label')).getText()).toBe('This binding is brought you by // interpolation symbols.');});