Function actionUpdate

spec/PointerPermissions.spec.js:1978–1978

    const actionCount = () => new Parse.Query(className).count();
    const actionCreate = () => new Parse.Object(className).save();
    const actionUpdate = obj => obj.save({ revision: 2 });
    const actionDelete = obj => obj.destroy();
    const actionAddFieldOnCreate = () =>
      new Parse.Object(className, { ['extra' + Date.now()]: 'field' }).save();