text: beforeEach(module('visualizer2App'));
  /**
   * returns a function whose angular will be replaced
   * with whatever mock was supplied.
   */
  function withMockedAngular(mockAngular, fn) {
      return function() {
          var _angular = window.angular;
          window.angular = mockAngular;
          var v = fn.apply(this, arguments);
          window.angular = _angular;
          return v;
      }
  }
  