marko/packages/runtime-class/test/components-browser/fixtures/component-preserve-dom-repeated/test.js

module.exports = function (helpers) {
  var component = helpers.mount(require.resolve("./index"), {});

  var oldChildren = helpers.nodeListToArray(component.el.childNodes);

  component.forceUpdate();
  component.update();

  var newChildren = component.el.childNodes;
  helpers.checkChildrenMatch(oldChildren, newChildren);
};