magento-test/setup/performance-toolkit/config/searchTerms.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<search_terms> <!-- Content of Search Terms -->
    <search_term>
        <term>iphone 6</term>
        <count>50</count>
    </search_term>
    <search_term>
        <term>galaxy s3</term>
        <count>100</count>
    </search_term>
</search_terms>