magento-test/app/code/Magento/Tax/Test/Mftf/ActionGroup/AddCustomTaxRateActionGroup.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="AddCustomTaxRateActionGroup" extends="addNewTaxRateNoZip">
        <annotations>
            <description>EXTENDS: addNewTaxRateNoZip. Removes 'fillZipCode' and 'fillRate'. Fills in the Zip Code and Rate. PLEASE NOTE: The values are Hardcoded.</description>
        </annotations>

        <remove keyForRemoval="fillZipCode"/>
        <remove keyForRemoval="fillRate"/>
        <fillField stepKey="fillZipCode" selector="{{AdminTaxRulesSection.zipCode}}" userInput="US-NY-*-Rate 2" after="fillTaxIdentifier"/>
        <fillField stepKey="fillRate" selector="{{AdminTaxRulesSection.rate}}" userInput="0" after="selectCountry"/>
    </actionGroup>
</actionGroups>