text: // META: title=fetch method on the right interface
  // META: global=serviceworker
  
  test(function() {
      assert_false(self.hasOwnProperty('fetch'), 'ServiceWorkerGlobalScope ' +
          'instance should not have "fetch" method as its property.');
      assert_inherits(self, 'fetch', 'ServiceWorkerGlobalScope should ' +
          'inherit "fetch" method.');
      assert_own_property(Object.getPrototypeOf(Object.getPrototypeOf(self)), 'fetch',
          'WorkerGlobalScope should have "fetch" propery in its prototype.');
      assert_equals(self.fetch, Object.getPrototypeOf(Object.getPrototypeOf(self)).fetch,
          'ServiceWorkerGlobalScope.fetch should be the same as ' +
          'WorkerGlobalScope.fetch.');
  }, 'Fetch method on the right interface');
  