text: window.addEventListener('load', () => {
  
    const classAsString = "MaterialRouter3";
    const cssRouter = "mdl-router3";
    const selRouter = `.${cssRouter}`;
  
    promise_test(function() { return new Promise((resolve, reject) => {
      // [setup]
      let hash = selectHash('detached');
      hash.addEventListener('show', this.step_func(e => {
        resolve();
      }));
      window.addEventListener('error', this.step_func(e => {
        reject();
      }));
    }); }, "Navigate to detached/fragment at first time");
  
  });
  