magento-test/app/code/Magento/Tax/Test/Mftf/ActionGroup/AssertStorefrontCartItemExcludingTaxActionGroup.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="AssertStorefrontCartItemExcludingTaxActionGroup">
        <annotations>
            <description>Validates that the provided product price and subtotal excluding tax are present and correct in the Shopping Cart.</description>
        </annotations>
        <arguments>
            <argument name="productName" defaultValue="{{_defaultProduct.name}}" type="string"/>
            <argument name="productPriceExcludingTax" defaultValue="150" type="string"/>
            <argument name="productSubtotalExcludingTax" defaultValue="150" type="string"/>
        </arguments>

        <see userInput="{{productPriceExcludingTax}}" selector="{{StorefrontCheckoutCartItemTaxSection.productPriceExcludingTaxByName(productName)}}" stepKey="assertProductPriceExcludingTax"/>
        <see userInput="{{productSubtotalExcludingTax}}" selector="{{StorefrontCheckoutCartItemTaxSection.productSubtotalExcludingTaxByName(productName)}}" stepKey="assertProductSubtotalExcludingTax"/>
    </actionGroup>
</actionGroups>