magento-test/app/code/Magento/Customer/Test/Mftf/ActionGroup/DeleteCustomerByEmailActionGroup.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="DeleteCustomerByEmailActionGroup">
        <annotations>
            <description>Goes to the Admin Customers grid page. Deletes a Customer based on the provided Email Address.</description>
        </annotations>
        <arguments>
            <argument name="email" type="string"/>
        </arguments>

        <amOnPage url="{{AdminCustomerPage.url}}" stepKey="navigateToCustomers"/>
        <waitForPageLoad stepKey="waitForAdminCustomerPageLoad"/>
        <click selector="{{AdminCustomerFiltersSection.filtersButton}}" stepKey="clickFilterButton"/>
        <conditionalClick selector="{{AdminDataGridHeaderSection.clearFilters}}" dependentSelector="{{AdminDataGridHeaderSection.clearFilters}}" visible="true" stepKey="cleanFiltersIfTheySet"/>
        <waitForPageLoad stepKey="waitForClearFilters"/>
        <fillField selector="{{AdminCustomerFiltersSection.emailInput}}" userInput="{{email}}" stepKey="filterEmail"/>
        <click selector="{{AdminCustomerFiltersSection.apply}}" stepKey="applyFilter"/>
        <waitForPageLoad stepKey="waitForPageToLoad"/>
        <click selector="{{AdminCustomerGridSection.selectFirstRow}}" stepKey="clickOnEditButton1"/>
        <click selector="{{CustomersPageSection.actions}}" stepKey="clickActionsDropdown"/>
        <click selector="{{CustomersPageSection.delete}}" stepKey="clickDelete"/>
        <waitForElementVisible selector="{{CustomersPageSection.ok}}" stepKey="waitForOkToVisible"/>
        <click selector="{{CustomersPageSection.ok}}" stepKey="clickOkConfirmationButton"/>
        <waitForElementVisible stepKey="waitForSuccessfullyDeletedMessage" selector="{{CustomersPageSection.deletedSuccessMessage}}" time="30"/>
    </actionGroup>
</actionGroups>