Fatal error: Uncaught Error: Class "PHPUnit\Framework\TestCase" not found in /var/www/html/vendor/teamtnt/tntsearch/tests/stemmer/LatvianStemmerTest.php:5 Stack trace: #0 {main} thrown in /var/www/html/vendor/teamtnt/tntsearch/tests/stemmer/LatvianStemmerTest.php on line 5