magento-test/app/code/Magento/Tax/Test/Mftf/ActionGroup/AddNewTaxRateNoZipActionGroup.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="AddNewTaxRateNoZipActionGroup">
        <annotations>
            <description>Goes to the Admin Tax Rules grid page. Adds the provided Tax Code.</description>
        </annotations>
        <arguments>
            <argument name="taxCode"/>
        </arguments>

        <!-- Go to the tax rate page -->
        <click stepKey="addNewTaxRate" selector="{{AdminTaxRulesSection.addNewTaxRate}}"/>

        <!-- Fill out a new tax rate -->
        <fillField stepKey="fillTaxIdentifier" selector="{{AdminTaxRulesSection.taxIdentifier}}" userInput="{{taxCode.state}}-{{taxCode.rate}}"/>
        <fillField stepKey="fillZipCode" selector="{{AdminTaxRulesSection.zipCode}}" userInput="{{taxCode.zip}}"/>
        <selectOption stepKey="selectState" selector="{{AdminTaxRulesSection.state}}" userInput="{{taxCode.state}}"/>
        <selectOption stepKey="selectCountry" selector="{{AdminTaxRulesSection.country}}" userInput="{{taxCode.country}}"/>
        <fillField stepKey="fillRate" selector="{{AdminTaxRulesSection.rate}}" userInput="{{taxCode.rate}}"/>

        <!-- Save the tax rate -->
        <click stepKey="saveTaxRate" selector="{{AdminTaxRulesSection.save}}"/>
    </actionGroup>
</actionGroups>