lemon-admin/resources/views/app/my-account/admin/orders/partials/order-tests-summary.blade.php

<?php
$tests = (object) $order->testsRequestedInHumanReadable();
?>
<table class="table table-sm table-bordered border w-100 mb-0">
    <tbody>
        @foreach ($tests as $test)
            <tr>
                <td class="w-50 w-lg-75 px-2">{{ $test }}</td>
            </tr>
        @endforeach
        @foreach($order->associatedOrders($order->id) as $assocOrder)
        <?php
            $tests = (object) $assocOrder->testsRequestedInHumanReadable();
        ?>
        @foreach ($tests as $test)
            <tr>
                <td class="w-50 w-lg-75 px-2">{{ $test }}</td>
            </tr>
        @endforeach
        @endforeach
    </tbody>
</table>