Fatal error: Uncaught ReflectionException: Class "PHPUnit\Framework\TestCase" does not exist in /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/symfony/form/Test/Traits/RunTestTrait.php:16
Stack trace:
#0 /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/symfony/form/Test/Traits/RunTestTrait.php(16): ReflectionMethod->__construct('PHPUnit\\Framewo...', 'runTest')
#1 {main}
  thrown in /usr/home/adamus1234/domains/localization.adamus1234.smallhost.pl/public_html/vendor/symfony/form/Test/Traits/RunTestTrait.php on line 16