magento-test/app/code/Magento/Store/Test/Mftf/ActionGroup/AdminCreateWebsiteActionGroup.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->

<actionGroups xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/actionGroupSchema.xsd">
    <actionGroup name="AdminCreateWebsiteActionGroup">
        <!-- Admin creates new custom website -->
        <annotations>
            <description>Goes to the Admin Website creation page. Fills in the provided Website Name and Code. Clicks on Save. Validates that the Success Message is present and correct.</description>
        </annotations>
        <arguments>
            <argument name="newWebsiteName" type="string"/>
            <argument name="websiteCode" type="string"/>
        </arguments>

        <amOnPage url="{{AdminSystemStoreWebsitePage.url}}" stepKey="navigateToNewWebsitePage"/>
        <waitForPageLoad stepKey="waitForStoresPageLoad"/>

        <!--Create Website-->
        <fillField selector="{{AdminNewWebsiteSection.name}}" userInput="{{newWebsiteName}}" stepKey="enterWebsiteName"/>
        <fillField selector="{{AdminNewWebsiteSection.code}}" userInput="{{websiteCode}}" stepKey="enterWebsiteCode"/>
        <click selector="{{AdminNewWebsiteActionsSection.saveWebsite}}" stepKey="clickSaveWebsite"/>
        <waitForPageLoad stepKey="waitForSuccess"/>
        <waitForElementVisible selector="{{AdminStoresGridSection.websiteFilterTextField}}" stepKey="waitForStoreGridToReload"/>
        <see userInput="You saved the website." stepKey="seeSavedMessage"/>
    </actionGroup>
</actionGroups>