roundcubemail/tests/Framework/MessageHeader.php

<?php

/**
 * Test class to test rcube_message_header class
 *
 * @package Tests
 */
class Framework_MessageHeader extends PHPUnit\Framework\TestCase
{
    /**
     * Class constructor
     */
    function test_class()
    {
        $object = new rcube_message_header;

        $this->assertInstanceOf('rcube_message_header', $object, "Class constructor");
    }
}