roperty + ' to true', function() {
            var dialog = fixture('modal');
            assert.isTrue(dialog[property], property);
          });

          test('modal toggling keeps current value of ' + property, function() {
            var dialog = fixture('modal');
            // Changed to false while modal is true.
            dialog[property] = false;
            dialog.modal = false;
            assert.isFalse(dialog[property], property + ' is false');
          });

          test('modal toggling