magento-test/app/code/Magento/Cms/Test/Mftf/ActionGroup/AdminFillCmsBlockFormActionGroup.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="AdminFillCmsBlockFormActionGroup">
        <annotations>
            <description>Fills in the Block Title, Identifier with marginal space, Store View and Content. PLEASE NOTE: The values are passed through arguments in test.</description>
        </annotations>
        <arguments>
            <argument name="cmsBlockDataTitle" type="string" />
            <argument name="cmsBlockDataIdentifier" type="string" />
            <argument name="cmsBlockDataContent" type="string" />
        </arguments>
        <fillField selector="{{BlockNewPageBasicFieldsSection.blockTitle}}" userInput="{{cmsBlockDataTitle}}" stepKey="fillFieldTitle1"/>
        <fillField selector="{{BlockNewPageBasicFieldsSection.identifier}}" userInput="{{cmsBlockDataIdentifier}}" stepKey="fillFieldIdentifier"/>
        <selectOption selector="{{BlockNewPageBasicFieldsSection.storeView}}" userInput="All Store View" stepKey="selectAllStoreView"/>
        <fillField selector="{{TinyMCESection.Content}}" userInput="{{cmsBlockDataContent}}" stepKey="fillContentField"/>
    </actionGroup>
</actionGroups>