magento-test/app/code/Magento/Variable/Test/Mftf/ActionGroup/AssertAdminCustomVariableFormActionGroup.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="AssertAdminCustomVariableFormActionGroup">
        <arguments>
            <argument name="variable" />
        </arguments>
        <seeInField selector="{{AdminVariableFormSection.code}}" userInput="{{variable.code}}" stepKey="seeVariableCode"/>
        <seeInField selector="{{AdminVariableFormSection.name}}" userInput="{{variable.name}}" stepKey="seeVariableName"/>
        <seeInField selector="{{AdminVariableFormSection.html}}" userInput="{{variable.html}}" stepKey="seeVariableHtml"/>
        <seeInField selector="{{AdminVariableFormSection.plain}}" userInput="{{variable.plain}}" stepKey="seeVariablePlain"/>
    </actionGroup>
</actionGroups>