text: var backup = hammerhead.get('./sandbox/backup');
  
  test('backup.get should return the latest sandbox backup', function () {
      var iframe = document.createElement('iframe');
  
      iframe.id = 'test';
      document.body.appendChild(iframe);
  
      iframe.contentDocument.open();
      iframe.contentDocument.write('Hello!');
      iframe.contentDocument.close();
  
      strictEqual(backup.get(iframe.contentWindow), iframe.contentWindow['%hammerhead%'].sandbox);
  
      iframe.parentNode.removeChild(iframe);
  });
  
  module('regression');
  
  test('"permission denied" error is raised when an iframe with a nested iframe is reloaded (GH-727)', function () {
      return createTestIframe({ src: getSameDomainPageUrl('../../data/window-storage/iframe.html') })
          .then(function (iframe) {
              iframe.contentWindow.testFlag = true;
  
              return new hammerhead.Promise(function (resolve) {
                  iframe.addEventListener('load', function () {
                      resolve(iframe);
                  });
                  iframe.contentWindow.location.reload();
              });
          })
          .then(function (iframe) {
              var nestedIframe = iframe.contentDocument.getElementById('nestedIframe');
  
              ok(!iframe.contentWindow.testFlag, 'page reloaded');
              ok(nestedIframe.contentWindow['%hammerhead%']);
              iframe.parentElement.removeChild(iframe);
          });
  });
  
  