magento-test/app/code/Magento/Config/Test/Mftf/ActionGroup/DisableTaxApplyOnOriginalPriceActionGroup.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="DisableTaxApplyOnOriginalPriceActionGroup">
        <annotations>
            <description>Goes to the 'Configuration' page for 'Tax'. Sets 'Apply Tax On' to the provided value. Clicks on the Save button.</description>
        </annotations>
        <arguments>
            <argument name="userInput" type="string"/>
        </arguments>

        <amOnPage url="{{AdminSalesTaxClassPage.url}}" stepKey="navigateToSalesTaxPage"/>
        <waitForPageLoad stepKey="waitForPageLoad"/>
        <conditionalClick selector="{{AdminConfigureTaxSection.taxCalculationSettings}}" dependentSelector="{{AdminConfigureTaxSection.taxCalculationAlgorithm}}" visible="false" stepKey="openTaxCalcSettingsSection"/>
        <scrollTo selector="{{AdminConfigureTaxSection.taxCalculationApplyTaxOnInherit}}" x="0" y="-80" stepKey="goToCheckbox"/>
        <selectOption selector="{{AdminConfigureTaxSection.taxCalculationApplyTaxOn}}" userInput="{{userInput}}" stepKey="setApplyTaxOff"/>
        <checkOption selector="{{AdminConfigureTaxSection.taxCalculationApplyTaxOnInherit}}" stepKey="disableApplyTaxOnSetting"/>
        <click selector="{{AdminConfigureTaxSection.save}}" stepKey="saveConfig"/>
        <waitForPageLoad stepKey="waitForConfigSaved"/>
        <see userInput="You saved the configuration." stepKey="seeSuccessMessage"/>
    </actionGroup>
</actionGroups>