Passed tests on 4.2.5:
composer require symfony/validator:4.2.5 && \
php vendor/bin/phpunit
Failed tests on >=4.2.6:
composer require symfony/validator:4.2.8 && \
php vendor/bin/phpunit
Run tests from docker
docker-compose up -d --build && \
docker-compose exec php bash
# then run the commands described above to run tests.