Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /home/exklusivbeautysa/public_html/vendor/contao-themes-net/material-icons-inserttag/tests/ContaoThemesNetMaterialIconsInserttagTest.php:16 Stack trace: #0 {main} thrown in /home/exklusivbeautysa/public_html/vendor/contao-themes-net/material-icons-inserttag/tests/ContaoThemesNetMaterialIconsInserttagTest.php on line 16