text: define(function() {
    'use strict';
  
    var MockasyncStorage = {
      data: {},
      getItem: function(key, callback) {
        callback(this.data[key]);
      },
      setItem: function(key, value, callback) {
        this.data[key] = value;
        callback();
      }
    };
  
    return MockasyncStorage;
  });
  
  
  