Fatal error: Uncaught Error: Class 'PHPUnit_Framework_TestCase' not found in /home/szperaczxf/storage_gerantz/vendor/klarna/kco_rest/tests/Unit/Transport/ResponseValidatorTest.php:27 Stack trace: #0 {main} thrown in /home/szperaczxf/storage_gerantz/vendor/klarna/kco_rest/tests/Unit/Transport/ResponseValidatorTest.php on line 27