TestSiteReleaseLocksCommand.php

<?php

namespace Drupal\TestSite\Commands;

use Drupal\Core\Test\TestDatabase;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * Command to release all test site database prefix locks.
 *
 * Note that this command can't be safely tested by DrupalCI without potentially
 * causing random failures.
 *
 * @internal
 */
class TestSiteReleaseLocksCommand extends Command {
    
    /**
     * {@inheritdoc}
     */
    protected function configure() {
        $this->setName('release-locks')
            ->setDescription('Releases all test site locks')
            ->setHelp('The locks ensure test site database prefixes are not reused.');
    }
    
    /**
     * {@inheritdoc}
     */
    protected function execute(InputInterface $input, OutputInterface $output) {
        TestDatabase::releaseAllTestLocks();
        $output->writeln('<info>Successfully released all the test database locks</info>');
        return 0;
    }

}