code: function () {
  				var that = this;
  				return Promise.resolve().then(function () {
  					var oCfg = sap.ui.getCore().getConfiguration();
  					if (!oCfg.isUI5CacheOn()) {
  						safeClearInstance(that);
  						sap.ui.getCore().getConfiguration().setUI5CacheOn(true);
  					}
  					return Promise.resolve();
  				});
  			}
docs: Starts the Cache Manager (all next calls to it will work against real cache data)
  Usages are meant for testing purposes. If its already on, nothing will happen
  @returns {*}
  @protected