Fatal error: Uncaught Error: Class 'PHPUnit\Framework\TestCase' not found in /home/bienalsurweb/public_html/convocatoria_artistas/vendor/sebastian/comparator/tests/MockObjectComparatorTest.php:23 Stack trace: #0 {main} thrown in /home/bienalsurweb/public_html/convocatoria_artistas/vendor/sebastian/comparator/tests/MockObjectComparatorTest.php on line 23