Edit File: AbstractUnitTests.php
<?php /* * Allow for PHPUnit 4.* while XML_Util is still usable on PHP 5.4 */ if (!class_exists('PHPUnit_Framework_TestCase')) { class PHPUnit_Framework_TestCase extends \PHPUnit\Framework\TestCase {} } abstract class AbstractUnitTests extends \PHPUnit_Framework_TestCase { public function setUp() { // ensure the class is defined, and thus its constants are declared new XML_Util(); } }