Symfony version(s) affected:4.2

Description
After require of api-test case I got this error :

PHP Fatal error:  Class Symfony\Bridge\PhpUnit\Legacy\TestRunnerForV7 may not inherit from final class (PHPUnit\TextUI\TestRunner) in /srv/api/vendor/symfony/phpunit-bridge/Legacy/TestRunnerForV7.php on line 22

How to reproduce
New flex install
composer require --dev phpunit
composer require --dev lchrusciel/api-test-case
Launch a test that extend api test case