newsupernova/vendor/magento/module-import-export/view/adminhtml/templates/busy.phtml

<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
?>
<div class="fieldset">
    <div class="legend">
        <span><?= /* @escapeNotVerified */ __('Status') ?></span>
    </div><br>
    <div class="messages">
        <div class="message message-success success">
            <div><?= /* @escapeNotVerified */ $block->getStatusMessage() ?></div>
        </div>
    </div>
</div>